
Hosted by Johannes Ullrich · EN

Linux Kernel Process Accountinghttps://isc.sans.edu/diary/Linux%20Kernel%20Process%20Accounting/33240 ShieldBreak - Windows Defender 0day vulnerabilityhttps://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 fakeshttps://digital-strategy.ec.europa.eu/en/policies/eu-icons-labelling-ai-generated-contenthttps://support.claude.com/en/articles/16266773-how-claude-marks-ai-generated-content My Upcoming Classeshttps://www.sans.org/profiles/dr-johannes-ullrich

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

Scans for Solana (Surfpool?) Endpointshttps://isc.sans.edu/diary/Scans%20for%20Solana%20%28Surfpool%3F%29%20Endpoints/33230 Why AI-generated vulnerability patches still require expert human reviewhttps://1password.com/blog/why-ai-generated-patches-still-require-human-review?_sp=15ec2845-9e6c-4d15-8ac5-fe9bc1fe4c08.1786396502013 Gunra Ransomwarehttps://www.cisa.gov/sites/default/files/2026-08/aa26-222a-stopransomware-gunra-ransomware_508c.pdf Neo4J/GraphQL Vulnerability CVE-2026-5423https://github.com/neo4j/graphql/security/advisories/GHSA-fcpg-3fw5-vc65 My Upcoming Classeshttps://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 Vulnerabilityhttps://support.apple.com/en-us/148170 More N-Able N-Central Issueshttps://www.n-able.com/blog/n-central-security-update-august-6-2026 Metabase Unauthenticated SQL injectionhttps://github.com/metabase/metabase/security/advisories/GHSA-vwf4-m7j8-wcjf My Upcoming Classeshttps://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 Vulnerabilityhttps://illbloom.org Benchmarking Free-Tier Large Language Models as Cognitive Aids for Operationalizing Unstructured Cyber Threat Intelligencehttps://www.sans.edu/cyber-research/benchmarking-free-tier-large-language-models-cognitive-aids-operationalizing-unstructured-cyber-threat-intelligence My Upcoming Classeshttps://www.sans.org/profiles/dr-johannes-ullrich

Don't Revoke That Token Yet: Inside the keyv/cacheable npm Wormhttps://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 Relayhttps://mysk.blog/2026/08/04/webkit-proxy-icloud-private-relay-ip-leak/?ref=404media.co COLDCARD Issueshttps://x.com/threatinsight/status/2084328552481112429 My Upcoming Classeshttps://www.sans.org/profiles/dr-johannes-ullrich

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

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

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

Reconnaissance First: An SSH Bot That Sizes Up Your Hardware Before Deploying a Minerhttps://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-2026-20316https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh Inconsistent Group Chatshttps://www.usenix.org/conference/usenixsecurity26/presentation/gegenhuberhttps://www.heise.de/en/news/Encrypted-but-wrong-Group-chats-vulnerable-to-manipulated-content-11384112.html My Upcoming Classeshttps://www.sans.org/profiles/dr-johannes-ullrich