Handler on Duty: Johannes Ullrich
Threat Level: green
Podcast Detail
SystemBC Scans; Exchange SU Rerelease; Ivanti Exploit; DUO Outages; mTLS vulnerabilities
If you are not able to play the podcast using the player below: Use this direct link to the audio file: https://traffic.libsyn.com/securitypodcast/8626.mp3
My Next Class
Click HERE to learn more about classes Johannes is teaching for SANS
SystemBC Scans and ProxyNation
https://isc.sans.edu/diary/SystemBC%20Malware%20Activity%20/30138
https://cybersecurity.att.com/blogs/labs-research/proxynation-the-dark-nexus-between-proxy-apps-and-malware
Exchange Server Security Update Re-Release
https://techcommunity.microsoft.com/t5/exchange-team-blog/re-release-of-august-2023-exchange-server-security-update/ba-p/3900025
Ivanti Sentry Vulnerability Exploited
https://forums.ivanti.com/s/article/CVE-2023-38035-API-Authentication-Bypass-on-Sentry-Administrator-Interface?language=en_US
DUO Security Outage
https://status.duo.com/incidents/rw7g0q7ztj8f
mTLS Vulnerabilities
https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/
https://isc.sans.edu/diary/SystemBC%20Malware%20Activity%20/30138
https://cybersecurity.att.com/blogs/labs-research/proxynation-the-dark-nexus-between-proxy-apps-and-malware
Exchange Server Security Update Re-Release
https://techcommunity.microsoft.com/t5/exchange-team-blog/re-release-of-august-2023-exchange-server-security-update/ba-p/3900025
Ivanti Sentry Vulnerability Exploited
https://forums.ivanti.com/s/article/CVE-2023-38035-API-Authentication-Bypass-on-Sentry-Administrator-Interface?language=en_US
DUO Security Outage
https://status.duo.com/incidents/rw7g0q7ztj8f
mTLS Vulnerabilities
https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/
iTunes
MP3 Download
RSS Feed
Google
Podbean
Amazon Echo
YouTube
Spreaker
Spotify
Discussion
New Discussions closed for all Podcasts older than two(2) weeks
Please send your comments to our Contact Form
| Network Monitoring and Threat Detection In-Depth | Online | Arabian Standard Time | Jun 27th - Jul 2nd 2026 |
| Network Monitoring and Threat Detection In-Depth | Riyadh | Jun 27th - Jul 2nd 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Washington | Jul 13th - Jul 18th 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Online | British Summer Time | Jul 27th - Aug 1st 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Las Vegas | Sep 21st - Sep 25th 2026 |
| Network Monitoring and Threat Detection In-Depth | Amsterdam | Nov 9th - Nov 14th 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Washington | Dec 14th - Dec 18th 2026 |
Follow the Internet Storm Center on Twitter
© 2026 SANS™ Internet Storm Center
Developers: We have an API for you! 