Johannes B. Ullrich

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

News EN ↓ 2472 episodes

A brief daily summary of what is important in cyber security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually about 5 minute long, summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Stormcenter. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .

Author

Johannes B. Ullrich

Category

News

Podcast website

isc.sans.edu

Latest episode

Jul 10, 2026

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Episodes

SANS Stormcast Wednesday, April 22nd, 2026: WAV Malware; GitHub OAUTH Phishing; Perforce Settings 22.04.2026

A .WAV With A Payload https://isc.sans.edu/diary/A%20.WAV%20With%20A%20Payload/32910 The Phishy GitHub Issue Case https://blog.atsika.ninja/posts/the-phishy-github-issue-case/ P4WNED: How Insecure Defaults in Perforce Expose Source Code Across the Internet https://morganrobertson.net/p4wned/

SANS Stormcast Tuesday, April 21st, 2026: CVE and EPSS; Windows Server 2025 OOB; QEMU Abuse; 21.04.2026

Handling the CVE Flood With EPSS https://isc.sans.edu/diary/Handling%20the%20CVE%20Flood%20With%20EPSS/32914 Windows Server 2025 Out of Band Patch https://learn.microsoft.com/en-us/windows/release-health/windows-message-center#4835 QEMU abused to evade detection and enable ransomware delivery https://www.sophos.com/en-us/blog/qemu-abused-to-evade-detection-and-enable-ransomware-delivery

SANS Stormcast Monday, April 20th, 2026: Lumma Stealer and Sectop RAT; Windows 0-Day Exploited; NIST NVD Update; FortiSandbox PoC 20.04.2026

Lumma Stealer infection with Sectop RAT (ArechClient2) https://isc.sans.edu/diary/Lumma%20Stealer%20infection%20with%20Sectop%20RAT%20%28ArechClient2%29/32904 Three Recent Windows Defender Vulnerabilities Exploited (one 0-day) https://x.com/HuntressLabs/status/2044882115574091960 FortiSandbox PoC Exploit CVE-2026-39808 https://github.com/samu-delucas/CVE-2026-39808?tab=readme-ov-file NIST Updates...

SANS Stormcast Friday, April 17th, 2026: DVRs Again; Cisco Again; Windows Defender Again; Sonatype 17.04.2026

Compromised DVRs and Finding Them in the Wild https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Compromised%20DVRs%20and%20Finding%20Them%20in%20the%20Wild/32886 Cisco ISE RCE Vulnerability and WebEx Auth Bypass CVE-2026-20184 CVE-2026-20180 CVE-2026-20186 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-rce-4fverepv https://sec.cloudapps.cisco.com/security...

SANS Stormcast Thursday, April 16th, 2026: AI Credential Scans; Microsoft Update Issues; RDP Warnings; GitHub Action Vulns; 16.04.2026

Scanning for AI Models https://isc.sans.edu/diary/Scanning%20for%20AI%20Models/32896 Microsoft Update Problems https://support.microsoft.com/en-us/topic/april-14-2026-kb5082063-os-build-26100-32690-c57e289d-27c9-47cd-a183-72fabc62c5d7#:~:text=Known%20issues%20in%20this%20update Microsoft RDP File Warnings https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/remotepc/unde...

SANS Stormcast Wednesday, April 15th, 2026: Microsoft, Adobe, Fortinet and others Patches 15.04.2026

Microsoft Patch Tuesday April 2026 https://isc.sans.edu/forums/diary/Microsoft%20Patch%20Tuesday%20April%202026./32898/ Adobe Patches https://helpx.adobe.com/security/Home.html Fortinet Patches https://fortiguard.fortinet.com/psirt

SANS Stormcast Tuesday, April 14th, 2026: EncystPHP Webshell; CPUID Compromise; OpenAI Mac Cert Issue; Axios Vulnerability 14.04.2026

Scans for EncystPHP Webshell https://isc.sans.edu/diary/Scans%20for%20EncystPHP%20Webshell/32892 CPUID Compromise https://securelist.com/tr/cpu-z/119365/ https://x.com/d0cTB/status/2042520961824559150 OpenAI Mac Application Update due to Axios Compromise https://openai.com/index/axios-developer-tool-compromise/ Axios Vulnerability CVE-2026-40175 https://github.com/axios/axios/security/advisories/G...

SANS Stormcast Monday, April 13th, 2026: Obfuscated JavaScript; Numbers in Passwords; Adobe Patches 0-Day; ClickFix Fix Bypass 13.04.2026

Obfuscated JavaScript or Nothing https://isc.sans.edu/diary/Obfuscated%20JavaScript%20or%20Nothing/32884 Numbers in Passwords https://isc.sans.edu/diary/Number%20Usage%20in%20Passwords%3A%20Take%20Two/32866 Adobe 0-Day Patch CVE-2026-34621 https://helpx.adobe.com/security/products/acrobat/apsb26-43.html ClickFix Bypass via ScriptEditor https://www.jamf.com/blog/clickfix-macos-script-editor-atomic-...

SANS Stormcast Thursday, April 9th, 2026: Honeypot Fingerprinting; Microsoft Locks Developer Accounts; ActiveMQ Vuln; 09.04.2026

Honeypot Fingerprinting https://isc.sans.edu/diary/More%20Honeypot%20Fingerprinting%20Scans/32878 Microsoft Locks Accounts for Privacy/Encryption Related Developers https://sourceforge.net/p/veracrypt/discussion/general/thread/9620d7a4b3/ https://news.ycombinator.com/item?id=47687884 https://x.com/windscribecom/status/2041929519628443943 https://windowsforum.com/threads/april-2026-windows-update-e...

SANS Stormcast Wednesday, April 8th, 2026: Pivoting for Webshells; WatchGuard Firebox Patch; Project Glasswing; Kubernetes Misconfigurations 08.04.2026

A Little Bit Pivoting: What Web Shells are Attackers Looking for Today? https://isc.sans.edu/diary/A%20Little%20Bit%20Pivoting%3A%20What%20Web%20Shells%20are%20Attackers%20Looking%20for%3F/32874 WatchGuard Firebox Arbitrary File Write via Path Traversal in Fireware Web UI https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00009 Project Glasswing https://www.anthropic.com/glasswing Current Th...

SANS Stormcast Tuesday, April 7th, 2026: Redirects in Phishing; Internet Bug Bounty Suspended; Bluehammer; Keycloak MFA Bypass 07.04.2026

How often are redirects used in phishing in 2026? https://isc.sans.edu/diary/How%20often%20are%20redirects%20used%20in%20phishing%20in%202026%3F/32870 Hackerone Suspends Internet Bug Bounty https://hackerone.com/ibb?type=team https://www.linkedin.com/posts/danielstenberg_hackerone-share-7446667043380076545-RX9b/ Bluehammer Windows 0-day Privilege Escalation https://github.com/Nightmare-Eclipse/Blu...

SANS Stormcast Monday, April 6th, 2026: TeamPCP Update and Axio Post Mortem; Fortinet 0-Day 06.04.2026

Team PCP Update and Axios Post Mortem https://isc.sans.edu/diary/32864 https://github.com/axios/axios/issues/10636 Strapi NPM Packages Compromised https://safedep.io/malicious-npm-strapi-plugin-events-c2-agent/ Fortinet CVE-2026-35616 exctively exploited https://fortiguard.fortinet.com/psirt/FG-IR-26-099

SANS Stormcast Friday, April 3rd, 2026: Vite Exploits; OpenSSH 10.3; Claude Code Vuln 03.04.2026

Attempts to Exploit Exposed "Vite" Installs (CVE-2025-30208) https://isc.sans.edu/diary/Attempts%20to%20Exploit%20Exposed%20%22Vite%22%20Installs%20%28CVE-2025-30208%29/32860 OpenSSH 10.3 Release https://seclists.org/oss-sec/2026/q2/7 Claude Code Vulnerability https://adversa.ai/claude-code-security-bypass-deny-rules-disabled/

SANS Stormcast Thursday, April 2nd, 2026: Script Removing ADS/MotW; Google Chrome 0-Day; iOS/iPadOS 18 Update; 02.04.2026

Malicious Script That Gets Rid of ADS https://isc.sans.edu/diary/Malicious%20Script%20That%20Gets%20Rid%20of%20ADS/32854 Google Chrome Update fixes 21 Vulnerabilities and 0-Day https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html Apple Addresses Darksword Vulnerabilities for older devices https://support.apple.com/en-us/126793

SANS Stormcast Wednesday, April 1st, 2026: Application Control Bypass; Axios NPM Module Compromise; TeamPCP vs Cloud 01.04.2026

Application Control Bypass for Data Exfiltration https://isc.sans.edu/diary/Application%20Control%20Bypass%20for%20Data%20Exfiltration/32850 Axios NPM Module Supply Chain Compromise https://www.stepsecurity.io/blog/axios-compromised-on-npm-malicious-versions-drop-remote-access-trojan https://www.linkedin.com/events/7444763050819092480/ TeamPCP vs. Cloud Resources https://www.wiz.io/blog/tracking-t...

SANS Stormcast Tuesday, March 31st, 2026: Honeypot Session Lifetime; Let’s Encrypt Tests Mass Revocation; F5 RCE Exploited 31.03.2026

Honeypot Session Lifetime https://isc.sans.edu/diary/DShield%20%28Cowrie%29%20Honeypot%20Stats%20and%20When%20Sessions%20Disconnect/32840 Let s Encrypt Tests Mass Revocation https://community.letsencrypt.org/t/lets-encrypt-2026-mass-revocation-simulation/245960 https://www.certkit.io/blog/ari-solves-mass-certificate-revocation https://www.certkit.io/blog/lets-encrypt-mass-revocation-simulation F5...

SANS Stormcast Monday, March 30th, 2026: More TeamPCP: telnyx; Netscaler Exploit; macOS ClickFix Fix; Windows Smart Install 30.03.2026

TeamPCP Update #2: Telnyx PyPi Compromise https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Update%20002%20-%20Telnyx%20PyPI%20Compromise%2C%20Vect%20Ransomware%20Mass%20Affiliate%20Program%2C%20and%20First%20Named%20Victim%20Claim/32838 Citrix Netscaler Vulnerability Details https://labs.watchtowr.com/the-sequels-are-never-as-good-but-were-still-in-pain-citrix-netscaler-cve-2026...

SANS Stormcast Friday, March 27th, 2026: TeamPCP Update; DarkSword vs Patches; LangFlow Exploited 27.03.2026

TeamPCP Supply Chain Campaign: Update 001 - Checkmarx Scope Wider Than Reported, CISA KEV Entry, and Detection Tools Available https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Update%20001%20-%20Checkmarx%20Scope%20Wider%20Than%20Reported%2C%20CISA%20KEV%20Entry%2C%20and%20Detection%20Tools%20Available/32834 DarkSword and This Weeks iOS Updates https://cloud.google.com/blog/topi...

SANS Stormcast Thursday, March 26th, 2026: Apple Patches; SmatApeSG Update; Trivy/LiteLLM/TeamPCP Update; Google Accelerates Quantum Save Crypto Rollout 26.03.2026

Apple Patches (almost) everything again. March 2026 edition. https://isc.sans.edu/diary/Apple%20Patches%20%28almost%29%20everything%20again.%20March%202026%20edition./32830 SmartApeSG campaign pushes Remcos RAT, NetSupport RAT, StealC, and Sectop RAT (ArechClient2) https://isc.sans.edu/diary/SmartApeSG%20campaign%20pushes%20Remcos%20RAT%2C%20NetSupport%20RAT%2C%20StealC%2C%20and%20Sectop%20RAT%20%...

SANS Stormcast Wednesday, March 25th, 2026: IP KVM Usage; TeampPCP, Trivy, liteLLM and More 25.03.2026

--- Special Webcast about Trivy Supply Chain Attacks https://www.sans.org/webcasts/when-security-scanner-became-weapon --- Detecting IP KVM Usage https://isc.sans.edu/diary/Detecting%20IP%20KVMs/32824 TeamPCP, Trivy, liteLLM, Iran and more https://www.aikido.dev/blog/teampcp-stage-payload-canisterworm-iran https://www.aquasec.com/blog/trivy-supply-chain-attack-what-you-need-to-know/ https://blog.g...

SANS Stormcast Tuesday, March 24th, 2026: Tax Scam to EDR Kill; Netscaler Patches; gRPC-Go Authz Bypass; 24.03.2026

From W-2 to BYOVD: How a Tax Search Leads to Kernel-Mode AV/EDR Kill https://www.huntress.com/blog/w2-malvertising-to-kernel-mode-edr-kill NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-3055 and CVE-2026-4368 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300 gRPC-Go Authorization bypass via missing leading slash in :path CVE-2026-33186 https://git...

SANS Stormcast Monday, March 23rd, 2026: GSocket Backdoor in Bash; Oracle Security Alert; Rockwell Attacks 23.03.2026

GSocket Backdoor Delivered Through Bash Script https://isc.sans.edu/diary/GSocket+Backdoor+Delivered+Through+Bash+Script/32816/#comments Oracle Security Alert CVE-2026-21992 Released https://blogs.oracle.com/security/alert-cve-2026-21992 Rockwell Automation Reiterates Customer Guidance to Disconnect Devices from the Internet and Harden PLCs to Protect from Cyber Threats https://www.rockwellautomat...

SANS Stormcast Friday, March 20th, 2026: Cowrie Strings; MSFT Intune Hardening; Unifi Network Update; 20.03.2026

Interesting Cowrie Strings https://isc.sans.edu/diary/Interesting+Message+Stored+in+Cowrie+Logs/32810 Microsoft Intune Hardening Advice https://techcommunity.microsoft.com/blog/intunecustomersuccess/best-practices-for-securing-microsoft-intune/4502117 https://www.cisa.gov/news-events/alerts/2026/03/18/cisa-urges-endpoint-management-system-hardening-after-cyberattack-against-us-organization Unifi N...

SANS Stormcast Thursday, March 19th, 2026: Adminer Scans; Apple WebKit Patch; another telnetd vuln; screenconnect vuln 19.03.2026

Scans for "adminer" https://isc.sans.edu/diary/Scans%20for%20%22adminer%22/32808 Background Security Improvement for WebKit https://support.apple.com/en-us/126604 Remote Pre-Auth Buffer Overflow in GNU Inetutils telnetd (LINEMODE SLC) https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html ScreenConnect 26.1 Security Hardening https://www.connectwise.com/company/trust/security-bulle...

SANS Stormcast Wednesday, March 18th, 2026: IPv4 mapped IPv6; KVM Vulnerabilities; AWS Bedrock DNS Covert Channel 18.03.2026

IPv4 Mapped IPv6 Addresses https://isc.sans.edu/diary/IPv4%20Mapped%20IPv6%20Addresses/32804 More IP KVM Vulnerabilities https://eclypsium.com/blog/your-kvm-is-the-weak-link-how-30-dollar-devices-can-own-your-entire-network/ AWS Bedrock AgentCore Code Interpreter DNS Leak https://www.beyondtrust.com/blog/entry/pwning-aws-agentcore-code-interpreter

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