SANS Internet Stormcenter Daily Network/Cyber Security and Information Security Stormcast

Sonicwall SMA1000 Exploited Vulnerability Patched https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 SSRF: The Validator Can Lie https://xclow3n.com/post/the-validator-can-lie/ Git Hijack for AI Agents https://www.manifold.security/blog/ai-coding-agents-git-hijack Fronics Deploy Abuse https://www.huntress.com/blog/faronics-deploy-abuse My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Guildma (Astaroth) malware infection from Brazilian Portuguese email https://isc.sans.edu/diary/Guildma%20%28Astaroth%29%20malware%20infection%20from%20Brazilian%20Portuguese%20email/33300 Authentication bypass in EOL Proxmox VE 7 release https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-4#post-867929 https://gist.github.com/nebusecurity/65fe90dd673d395b7926278d7eaf5849 Updated Windows Server hotpatch calendar https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info#windows-server-hotpatch-calendar Virtualizor BGP Hijacking https://www.virtualizor.com/blog/security-incident-bgp-hijacking/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

The Coding-Agent Trap: When a "Free" LLM Endpoint Is the Adversary https://isc.sans.edu/diary/The%20Coding-Agent%20Trap%3A%20When%20a%20%22Free%22%20LLM%20Endpoint%20Is%20the%20Adversary/33298 PaperCut Public Exploit Available https://github.com/rapid7/metasploit-framework/pull/21842 TerminalFix Campaign; https://www.microsoft.com/en-us/security/blog/2026/08/28/terminalfix-campaign-deploys-reverse-tunnel-through-multistage-intrusion/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Some Malicious PE Stats https://isc.sans.edu/diary/Some%20Malicious%20PE%20Stats/33292 PaperCut Releases Two Preliminary Patches for Exploited Vulnerability https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/ DLink Vulnerabliities https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10513 Watchguard Patches https://psirt.watchguard.com My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

A polymorphic phishing page (that occasionally breaks itself) https://isc.sans.edu/diary/A%20polymorphic%20phishing%20page%20%28that%20occasionally%20breaks%20itself%29/33290 Chinese Implants in the Supply Chain https://www.vulncheck.com/blog/zbt-darklantern-speakingstone?_sp=1068fa46-3d91-427e-8120-aa6d8bda2912.1787865822277 Data Became Code: We Ran Code Inside Fortune 500s Using Files They Published for AI Agents https://medium.com/@alonhertz1/data-became-code-we-ran-code-inside-fortune-500s-using-files-they-published-for-ai-agents-0cd67ffbbffc Papercut Security Advisory https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Who Has Admin Rights in your Entra ID Directory? https://isc.sans.edu/diary/Who%20Has%20Admin%20Rights%20in%20your%20Entra%20ID%20Directory%3F/33284 Ubiquity Unifi Patches https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9 Log4J FilteredObjectInputStream Vulnerability https://github.com/joanbono/log4j2-4255-exploit https://jeffmcjunkin.com/posts/log4j2-fois-marshalledobject/ Sleepwalker Malware https://r136a1.dev/2026/08/24/sleepwalker-a-passive-backdoor-with-its-own-command-language/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Obfuscating IP Addresses as Hostnames https://isc.sans.edu/diary/Obfuscating%20IP%20Addresses%20as%20Hostnames/33280 Microsoft Paint and Photos Embed Server-Issued GUIDs as Invisible Watermarks in Locally-Generated Images https://xusheng.dev/posts/reversing/mspaint_invisible_watermark/main/ FTP Banners The New Dead Drop Resolver Delivering Novel RATs https://socradar.io/blog/ftp-banners-new-dead-drop-resolver-rats/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

DOUBLECUP's PNG Payload https://isc.sans.edu/diary/DOUBLECUP%27s%20PNG%20Payload/33274 AliExpress WebAudio fingerprinting https://blog.laserphile.com/2026/08/aliexpress-webpage-keeping-multipoint.html Expired DMARC Reporting Domain Exposed 86 Domains https://www.sh.consulting/blog/abandoned-dmarc-reporting-domain Android Car Malware https://securelist.com/android-head-unit-malware/121106/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Who Got Missed in the MFA Rollout? More Powershell + Graph + Entra scripting! https://isc.sans.edu/diary/Who%20Got%20Missed%20in%20the%20MFA%20Rollout%3F%20More%20Powershell%20%2B%20Graph%20%2B%20Entra%20scripting!/33272 Even MOAR Powershell, looking at Entra logins - the good, the bad and the password sprays https://isc.sans.edu/diary/Even%20MOAR%20Powershell%2C%20looking%20at%20Entra%20logins%20-%20the%20good%2C%20the%20bad%20and%20the%20password%20sprays/33268 Microsoft Entra ID Remote Code Execution Vulnerability CVE-2026-69836 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69836 GitLab Critical Patch Release CVE-2026-19478 CVE-2026-19650 https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/ GTA 6 Leak File with Malware https://x.com/Aidas29506493/status/2091194667073204624 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Using Microsoft Graph and Powershell to Mine for Information - Stale Accounts and Licenses https://isc.sans.edu/diary/Using%20Microsoft%20Graph%20and%20Powershell%20to%20Mine%20for%20Information%20-%20Stale%20Accounts%20and%20Licenses/33264 Using Microsoft Graph and Powershell - Risk Detection Commands https://isc.sans.edu/diary/Using%20Microsoft%20Graph%20and%20Powershell%20-%20Risk%20Detection%20Commands/33266 Keycloak Vulnerability https://github.com/keycloak/keycloak/issues/51833 https://www.keycloak.org/2026/08/keycloak-2672-released CRYPTOGRAPHIC CONTEXT INJECTION ATTACK https://adversa.ai/blog/cryptographic-context-injection-grok-data-theft/ N-able password manager https://amibeingpwned.com/blog/solar-winds-part-2-avoided?_sp=75fd154a-e34f-41d0-8624-7c285776c13d.1787263544340 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Simple Scans for Cloud Metadata Service https://isc.sans.edu/diary/Simple%20Scans%20for%20Cloud%20Metadata%20Service/33260 Oracle Critical Security Patch Update Advisory - August 2026 https://www.oracle.com/security-alerts/cspuaug2026.html NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19489 and CVE-2026-19490 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939 Beware of Ransomware Rescuers https://www.guidepointsecurity.com/blog/beware-ransom-busters/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

CoSnitch: When Your AI Assistant Becomes Its Own Whistleblower https://www.varonis.com/blog/cosnitch GEEKOM confirms malware was hosted on its website https://videocardz.com/newz/geekom-apologizes-for-hosting-malware-in-driver-package-for-its-mini-pcs Medusa Ransomware Update https://www.cisa.gov/sites/default/files/2026-08/aa25-071a-stopransomware-medusa-ransomware-508c.pdf How Google is Making Private AI Practical with Homomorphic Encryption https://blog.google/security/how-google-is-making-private-ai-practical-with-homomorphic-encryption/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Apple Patches or iOS and macOS https://isc.sans.edu/diary/Apple%20Patches%20iOS%20and%20macOS/33254 Screen Sharing Security https://isc.sans.edu/diary/Apple%20Screen%20Sharing%20Security/33252 Download More RAM: Dismantling Windows Operating System Defenses with Mischievous Memory https://www.usenix.org/system/files/usenixsecurity26-collins.pdf My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

macOS Screen Sharing Vulnerability Exploited https://advisories.ncsc.nl/2026/ncsc-2026-0280.html GeoServer Patch https://geoserver.org/announcements/vulnerability/2026/08/14/geoserver-3-0-1-released.html Recent SAP Commerce Cloud Vuln Exploited https://x.com/DefusedCyber/status/2088240809355153647 ChainDrop npm Worm https://medium.com/governed-at-the-source/the-chaindrop-npm-worm-august-2026-how-444-packages-were-compromised-without-a-single-npm-b0c9e5a4c387 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Using Gemma4 with Ollama - Testing File Hash Analysis and Recommendations with AI https://isc.sans.edu/diary/Using%20Gemma4%20with%20Ollama%20-%20Testing%20File%20Hash%20Analysis%20and%20Recommendations%20with%20AI/33242 CPU Privilege Escalation https://github.com/xoreaxeaxeax/smiiiiiiiiiiiiiiii https://github.com/xoreaxeaxeax/skitter-creek-bath-salts GeoServer Vulnerability https://x.com/q1uf3ng/status/2087490992723407096 Windows USB Driver Vulnerability https://x.com/0xedh/status/2085842285481062887 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Linux Kernel Process Accounting https://isc.sans.edu/diary/Linux%20Kernel%20Process%20Accounting/33240 ShieldBreak - Windows Defender 0day vulnerability https://git.projectnightcrawler.dev/NightmareEclipse/ShieldBreak/src/branch/main Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040) https://www.rapid7.com/blog/post/ra-microsoft-sharepoint-jwt-token-authentication-bypass-cve-2026-55040/ California law puts digital fingerprints on AI fakes https://digital-strategy.ec.europa.eu/en/policies/eu-icons-labelling-ai-generated-content https://support.claude.com/en/articles/16266773-how-claude-marks-ai-generated-content My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Microsoft Patch Tuesday https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20August%202026/33236 Zoom Vulnerablities CVE-2026-53413, CVE-2026-53414, and CVE-2026-53415 https://a.security/blog/asecurity-zoomsday Mozilla Revokes GPG Key https://blog.mozilla.org/security/2026/08/10/updated-gpg-key-for-signing-firefox-and-thunderbird-releases/ Rogue Inflight Wifi https://www.bleepingcomputer.com/news/security/delta-probes-wi-fi-deauth-attack-on-flight-carrying-def-con-attendees/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Scans for Solana (Surfpool?) Endpoints https://isc.sans.edu/diary/Scans%20for%20Solana%20%28Surfpool%3F%29%20Endpoints/33230 Why AI-generated vulnerability patches still require expert human review https://1password.com/blog/why-ai-generated-patches-still-require-human-review?_sp=15ec2845-9e6c-4d15-8ac5-fe9bc1fe4c08.1786396502013 Gunra Ransomware https://www.cisa.gov/sites/default/files/2026-08/aa26-222a-stopransomware-gunra-ransomware_508c.pdf Neo4J/GraphQL Vulnerability CVE-2026-5423 https://github.com/neo4j/graphql/security/advisories/GHSA-fcpg-3fw5-vc65 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Linux Shell Forensic: Let s Dive Into Atuin! https://isc.sans.edu/diary/Linux+Shell+Forensic+Lets+Dive+Into+Atuin/33226 Apple Patches macOS Screen Sharing Vulnerability https://support.apple.com/en-us/148170 More N-Able N-Central Issues https://www.n-able.com/blog/n-central-security-update-august-6-2026 Metabase Unauthenticated SQL injection https://github.com/metabase/metabase/security/advisories/GHSA-vwf4-m7j8-wcjf My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

22 Seconds to Compromise: How Automated SSH Actors Move From Login to Persistence Before You Can Blink [Guest Diary] https://isc.sans.edu/diary/22+Seconds+to+Compromise+How+Automated+SSH+Actors+Move+From+Login+to+Persistence+Before+You+Can+Blink+Guest+Diary/33220 Dell BIOS Passwords: Weak XOR Encryption Allows Recovery from SPI Flash (CVE-2026-40639) https://blog.amberwolf.com/blog/2026/july/dell-bios-passwords-weak-xor-encryption-allows-recovery-from-spi-flash-cve-2026-40639/ Ill Bloom: Crypto Wallet Vulnerability https://illbloom.org Benchmarking Free-Tier Large Language Models as Cognitive Aids for Operationalizing Unstructured Cyber Threat Intelligence https://www.sans.edu/cyber-research/benchmarking-free-tier-large-language-models-cognitive-aids-operationalizing-unstructured-cyber-threat-intelligence My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Don't Revoke That Token Yet: Inside the keyv/cacheable npm Worm https://isc.sans.edu/diary/Don%27t%20Revoke%20That%20Token%20Yet%3A%20Inside%20the%20keyv%20cacheable%20npm%20Worm/33218 IP and DNS Leaks in WebKit Affecting Proxy Browsers and Apple iCloud Private Relay https://mysk.blog/2026/08/04/webkit-proxy-icloud-private-relay-ip-leak/?ref=404media.co COLDCARD Issues https://x.com/threatinsight/status/2084328552481112429 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Botnet Hunting for Vulnerabilities in Diagnostic Tools https://isc.sans.edu/diary/Botnet%20Hunting%20for%20Vulnerabilities%20in%20Diagnostic%20Tools/33214 Inside Greatness: Telegram-Distributed M365 AiTM PhaaS https://zerobec.com/blog/greatness-phaas-aitm-and-device-code-phishing A Deep Dive Into the Latest XCSSET Version https://unit42.paloaltonetworks.com/xcsset-v40-malware-analysis/ Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime https://devblogs.microsoft.com/dotnet/strengthening-nuget-supply-chain-security-reducing-api-key-lifetime/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

AUR packages adoption disabled https://lists.archlinux.org/archives/list/aur-general@lists.archlinux.org/thread/DRDEU3JUSC72CB265XHXPFA3DFSLXPBP/ Apple's iCloud File Sharing Left Ex-Employees With Access to Secret Documents https://www.macrumors.com/2026/08/03/apple-icloud-sharing-ex-employees/ Pass the Passkey: A Novel Attack Surface in Passwordless Authentication https://unit42.paloaltonetworks.com/passwordless-authentication-security-risks/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

zipdump.py Metadata Encoding https://isc.sans.edu/diary/zipdumppy+Metadata+Encoding/33202/ Atomic MacOS (AMOS) stealer infection https://isc.sans.edu/diary/Atomic%20MacOS%20%28AMOS%29%20stealer%20infection/33208 Phishing Campaigns Targeting AI Solutions Providers https://isc.sans.edu/diary/Phishing+Campaigns+Targeting+AI+Solutions+Providers/33206/ Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware https://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Reconnaissance First: An SSH Bot That Sizes Up Your Hardware Before Deploying a Miner https://isc.sans.edu/diary/Reconnaissance%20First%3A%20An%20SSH%20Bot%20That%20Sizes%20Up%20Your%20Hardware%20Before%20Deploying%20a%20Miner%20%5BGuest%20Diary%5D/33198 Cisco Secure Firewall Management Center Software Static Credential Vulnerability Exploited CVE-2026-20316 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh Inconsistent Group Chats https://www.usenix.org/conference/usenixsecurity26/presentation/gegenhuber https://www.heise.de/en/news/Encrypted-but-wrong-Group-chats-vulnerable-to-manipulated-content-11384112.html My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Apple Patch Summary / Postscript https://isc.sans.edu/diary/Apple%20Patches%20Everything%20%28July%202026%29/33196 IPMI Admin Password Hash Leak https://lavahq.io/research/bmc-exposure-alert Patches for VMWare https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 OpenWRT Patch, odhcpd vulnerability CVE-2026-53921 https://github.com/openwrt/odhcpd/security/advisories/GHSA-7fwx-hhrg-3496 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

AutoIT Payload Injector https://isc.sans.edu/diary/AutoIT%20Payload%20Injector%20/33192 Apple Security Update https://support.apple.com/en-us/100100 SourTrade: Browser-Assembled Malware Delivered Through Malvertising https://blog.confiant.com/p/sourtrade-browser-assembled-malware NGINX Exploit CVE-2026-42530, CVE-2026-42533 https://github.com/DepthFirstDisclosures/Nginx-Rift/tree/main My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Java Spring Boot "heapdump" scans https://isc.sans.edu/diary/Java%20Spring%20Boot%20%22heapdump%22%20scans/33188 VBULLETIN RUNTIME TEMPLATE RUNMATHS PREAUTH RCE https://ssd-disclosure.com/vbulletin-runtime-template-runmaths-preauth-rce/ Microsoft Defender for Linux Update may disable restart https://learn.microsoft.com/en-us/defender-endpoint/microsoft-defender-endpoint-releases#issues-have-been-found-with-versions-101260420000101260420009 MongoDB Updates CVE-2026-13072 https://github.com/advisories/GHSA-wvx7-gr2m-7rf5 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Scans for ESAFENET CDG 3 Document Management System Weak Logins https://isc.sans.edu/diary/Scans%20for%20ESAFENET%20CDG%203%20Document%20Management%20System%20Weak%20Logins/33184 DNS Poisoning Tactics Expand to Hospitality Wi-Fi https://reliaquest.com/blog/threat-spotlight-dns-poisoning-tactics-expand-to-hospitality/ Silent Replacement of Trusted macOS App Executables https://mysk.blog/2026/07/23/macos-overwrite-app-executables/ GitHub and PyPi Defense updates https://github.blog/security/supply-chain-security/the-case-for-a-cooldown-why-dependabot-now-waits-before-issuing-version-updates/ https://blog.pypi.org/posts/2026-07-22-releases-now-reject-new-files-after-14-days/ https://www.bleepingcomputer.com/news/security/github-pypi-add-time-absed-defenses-against-supply-chain-attacks/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

When the "Autonomous Attacker" Is Your Own AI Model https://isc.sans.edu/diary/When%20the%20%22Autonomous%20Attacker%22%20Is%20Your%20Own%20AI%20Model/33180 Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra https://www.cisa.gov/news-events/cybersecurity-advisories/aa26-204a https://cert.gov.ua/article/6318634 https://cybersecuritynews.com/hackers-abuse-notepad-plugins/ Chaos ransomware's msaRAT: Living off the browser to build a covert C2 channel https://blog.talosintelligence.com/chaos-msarat-living-off-the-browser-to-build-covert-c2-channel/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Rondo Meets Geoserver https://isc.sans.edu/diary/Rondo%20Meets%20Geoserver/33176 Oracle July Patch Update https://www.oracle.com/security-alerts/cpujul2026.html OpenAI and Hugging Face partner to address security incident during model evaluation https://openai.com/index/hugging-face-model-evaluation-security-incident/ Checkpoint July 2026 Security Advisory (CVE-2026-16232) https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-check-point-smartconsole-authentication-bypass-cve-2026-16232/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Captive Portal Detection https://isc.sans.edu/diary/Captive%20Portal%20Detection/33172 Critical SolarWinds Serv-U Update https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm Zimbra Update with Critical Security Fixes https://blog.zimbra.com/2026/07/patch-release-update-zimbra-10-1-20/ Apple Fixed Hide My E-Mail Leak https://www.404media.co/apple-fixes-hide-my-email-vulnerability-after-404-media-coverage/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

WordPress Exploitation Underway (CVE-2026-63030) https://isc.sans.edu/diary/WordPress%20Exploitation%20Underway%20%28CVE-2026-63030%29/33168 HOLLOWGRAPH: Turning Microsoft 365 Calendars into Covert Command-and-Control Channels https://www.group-ib.com/blog/hollowgraph-microsoft-365/ Gitea Vulnerablity CVE-2026-58443 https://github.com/go-gitea/gitea/security/advisories/GHSA-xxjv-752h-3vp2 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Scans for Hikvision Intelligent Security API https://isc.sans.edu/diary/Scans%20for%20Hikvision%20Intelligent%20Security%20API/33164 LG Monitor Spyware https://www.techradar.com/televisions/lgs-gaming-monitors-and-tvs-are-facing-a-user-revolt https://www.youtube.com/watch?v=Q9uefFYe6bM Huggingface Hack https://huggingface.co/blog/security-incident-july-2026 Wordpress Core RCE https://wp2shell.com

German Federal Information Security Office Analyzes Windows Hello for Business https://www.heise.de/en/news/BSI-dissects-Windows-Hello-Where-Microsoft-s-login-reaches-its-limits-11366125.html https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Windows_dissected/AP1_Windows-Hello-for-Business.pdf?__blob=publicationFile&v=7 NGINX Vulnerability https://my.f5.com/manage/s/article/K000162097 7-Zip XZ Decompression CVE-2026-14266 https://www.zerodayinitiative.com/advisories/ZDI-26-444/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

DShield SIEM Update https://isc.sans.edu/diary/Recent%20DShield%20SIEM%20Update/33156 Microsoft Patch Tuesday vs. Dell Intel Innovation Platform Framework (IPF) drivers https://support.microsoft.com/en-us/servicing/os/windows-11/2026/07/july-14-2026-kb5101650-os-builds-26200-8875-and-26100-8875 Zoom Account Takeover Patch https://www.zoom.com/en/trust/security-bulletin/zsb-26014/ Forgotten UEFI shims undermining Secure Boot https://www.welivesecurity.com/en/eset-research/forgotten-uefi-shims-undermining-secure-boot/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Here https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20July%202026%20-%20The%20AI%20Acopolypse%20is%20Here%20/33154 LegacyHive : Windows user profile service arbitrary hive load elevation of privileges vulnerability https://git.projectnightcrawler.dev/NightmareEclipse/LegacyHive Progress confirms ShareFile zero-day flaw behind Storage Zone shutdown https://www.bleepingcomputer.com/news/security/progress-confirms-sharefile-zero-day-flaw-behind-storage-zone-shutdown/ xAI/Grok Exfiltrating Data and Secrets https://cereblab.com My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Someone Is Scanning for Your MCP Servers and AI Assistant Credentials https://isc.sans.edu/diary/Someone%20Is%20Scanning%20for%20Your%20MCP%20Servers%20and%20AI%20Assistant%20Credentials/33150 Improve Router Hygiene to Protect Against Russian State-Sponsored Targeting https://www.cisa.gov/news-events/cybersecurity-advisories/aa26-194a OAuth Client ID Spoofing https://www.proofpoint.com/us/blog/threat-insight/oauth-client-id-spoofing-why-fake-client-ids-are-gaining-traction-stealthy Vulnerability Resolved in Veeam Backup & Replication 12.3.2.4854 https://www.veeam.com/kb4869 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Progress Sharefile Emergency Shutdown Notice https://status.sharefile.com https://www.reddit.com/r/sysadmin/comments/1usohco/psa_shutdown_your_sharefile_storage_zone/ https://www.bleepingcomputer.com/news/security/progress-urges-sharefile-customers-to-shut-down-servers-over-credible-threat/ U-Boot Vulnerabilities https://www.binarly.io/blog/unfit-to-boot-breaking-u-boots-fit-signature-verification Nightmare Eclipse Releases Next Microsoft Defender Exploit https://blog.projectnightcrawler.dev/posts/2026-07-09-some-interesting-findings-in-windows-defender/ Cisco Increases Patch Cadence https://blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_ [Guest Diary] https://isc.sans.edu/diary/_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_%20%5BGuest%20Diary%5D/33130 Apple Discontinuing Support for Encrypted Mac OS Extended disks in macOS 28 https://support.apple.com/en-us/125615 Google Chrome Update https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_01162222768.html Microsoft Patches Rogue Planet Vulnerability CVE-2026-50656 https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50656/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

My Stack Simulator https://isc.sans.edu/diary/My%20Stack%20Simulator/33138 RootAsRole https://github.com/LeChatP/RootAsRole Hoymiles Inverter Vulnerability https://www.ccc.de/system/uploads/382/original/hoymiles_dtu_vuln.pdf Git Hash Chain Malleability https://arxiv.org/abs/2607.02820 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

More Odd DNS Records: NIMLOC https://isc.sans.edu/diary/More%20Odd%20DNS%20Records%3A%20NIMLOC/33128 From Invoice to AnyDesk: Uncovering a Phishing Campaign Targeting Russian Aerospace Organizations https://www.seqrite.com/blog/from-invoice-to-anydesk-uncovering-a-phishing-campaign-targeting-russian-aerospace-organizations/ Tenda firmware (multiple versions) contains hidden authentication backdoor https://kb.cert.org/vuls/id/213560 GitLost: GitHub AI Agent Leak https://noma.security/wp-content/uploads/GitLostWorkflow_2.gif My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

RCS and DNS: The NAPTR Record https://isc.sans.edu/diary/RCS%20and%20DNS%3A%20The%20NAPTR%20Record/33124 OpenSSH 10.4 released https://seclists.org/oss-sec/2026/q3/62 Beyond Trust Advisory CVE-2026-40138 CVE-2026-40139 https://www.beyondtrust.com/trust-center/security-advisories/bt26-03 PolinRider: North Korea-Linked Supply Chain Campaign https://socket.dev/blog/polinrider-north-korea-linked-supply-chain-campaign-expands My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Apple Updated Patch Policy https://www.reuters.com/business/apple-says-it-is-releasing-updates-early-response-ai-cybersecurity-concerns-2026-06-29/ T3MP3ST multi-agent offensive-security framework https://github.com/elder-plinius/T3MP3ST Seven FatFs bugs, one very large blast radius https://www.runzero.com/blog/fatfs-bugs/ OpenWRT Releases v25.12.5 https://github.com/openwrt/openwrt/releases My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Why Ask Credentials If There Are Secret Codes? https://isc.sans.edu/diary/Why%20Ask%20Credentials%20If%20There%20Are%20Secret%20Codes%3F/33118 Adobe Patches and Updated Patch Release Policy https://helpx.adobe.com/security/Home.html https://blog.adobe.com/security/protecting-customers-faster-how-adobe-is-responding-to-ai-accelerated-vulnerability-discovery Google Chrome Update (link had issues loading while recording) https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html Apple Hide My Email Vulnerability https://www.404media.co/apple-hide-my-email-vulnerability-reveals-peoples-real-email-addresses/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

June 2026 Apple Updates https://isc.sans.edu/diary/June%202026%20Apple%20Updates/33114 SimpleHelp Exploit used to reply TaskWeaver https://blackpointcyber.com/blog/a-djinn-in-the-machine-taskweavers-node-js-intrusion-chain/ DNS Tricks to Load Malware into Cloned Repository https://0din.ai/blog/clone-this-repo-and-i-own-your-machine My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Adding some Automation to the favicon.ico method of Host Recon https://isc.sans.edu/diary/Adding%20some%20Automation%20to%20the%20favicon.ico%20method%20of%20Host%20Recon/33110 Russian Intelligence Services Continue to Target Commercial Messaging Applications https://www.ic3.gov/PSA/2026/PSA260626 Google Gemini CLI Vulnerability CVE-2026-12537 https://github.com/advisories/GHSA-jj69-4grx-fqj5 IPv6 Frag Escape https://github.com/sgkdev/ipv6_frag_escape My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

What do Ports Hear When Nobody's Listening? An Assessment of Automated Cybercrime https://isc.sans.edu/diary/What%20do%20Ports%20Hear%20When%20Nobody%27s%20Listening%3F%20An%20Assessment%20of%20Automated%20Cybercrime%20%5BGuest%20Diary%5D/33104 Linux Process Name Masquerading https://isc.sans.edu/diary/Linux+Process+Name+Masquerading/33102 Amazon Q VS Code Extension Vulnerability https://www.wiz.io/blog/amazon-q-vulnerability My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

CVE-2024-40766: The Patch Fixed the Bug. Nobody Fixed the Configuration. https://isc.sans.edu/diary/CVE-2024-40766%3A%20The%20Patch%20Fixed%20the%20Bug.%20Nobody%20Fixed%20the%20Configuration./33094 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c https://www.vulncheck.com/advisories/libssh2-out-of-bounds-write-via-unchecked-packet-length-in-transport-c PixelSmash Critical FFmpeg Vulnerability Turns Media Files into Weapons https://jfrog.com/blog/pixelsmash-critical-ffmpeg-vulnerability-turns-media-files-into-weapons/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Webshells Remain Popular https://isc.sans.edu/diary/Webshells%20Remain%20Popular/33096 Safer pull_request_target defaults for GitHub Actions checkout https://github.blog/changelog/2026-06-18-safer-pull_request_target-defaults-for-github-actions-checkout/ Private Access Control Tokens https://cloudflare.net/news/news-details/2026/Cloudflare-Collaborates-With-Leading-Browsers-to-Develop-a-Privacy-First-Protocol-For-the-Global-Internet/default.aspx https://blog.cloudflare.com/eliminating-captchas-on-iphones-and-macs-using-new-standard/ Fortibleed Update https://socradar.io/resources/whitepapers/dismantling-fortibleed-inside-a-russian-fortinet-compromise-operation/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

eBanking Phishing Delivered Through IPv4-Mapped IPv6 Address https://isc.sans.edu/diary/eBanking%20Phishing%20Delivered%20Through%20IPv4-Mapped%20IPv6%20Address/33090 NGINX ngx_http_v3_module vulnerability CVE-2026-42530 https://my.f5.com/manage/s/article/K000161616 Squidbleed (CVE-2026-47729) https://blog.calif.io/p/squidbleed-cve-2026-47729 AMD will reinstate memory encryption on Ryzen 9000 CPUs through a BIOS update in July https://www.tomshardware.com/pc-components/cpus/amd-will-reinstate-memory-encryption-on-ryzen-9000-cpus-through-a-bios-update-in-july-tsme-is-coming-back-after-valuable-community-feedback My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich