A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 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 .
SANS Stormcast Friday, May 30th 2025: Alternate Data Streams; Connectwise Breach; Google Calendar C2;
May 29, 2025
13:47
2.25 MB ( 9.32 MB less)
Downloads: 0
Alternate Data Streams: Adversary Defense Evasion and Detection
Good Primer of alternate data streams and how they are abused, as well as how to detect and defend against ADS abuse.
https://isc.sans.edu/diary/Alternate%20Data%20Streams%20%3F%20Adversary%20Defense%20Evasion%20and%20Detection%20%5BGuest%20Diary%5D/31990
Connectwise Breach Affects ScreenConnect Customers
Connectwise s ScreenConnect solution was compromised, leading to attacks against a small number of customers. This is yet another example of how attackers are taking advantage of remote access solutions.
https://www.connectwise.com/company/trust/advisories
Mark Your Calendar: APT41 Innovative Tactics
Google detected attacks leveraging Google s calendar solution as a command and control channel.
https://cloud.google.com/blog/topics/threat-intelligence/apt41-innovative-tactics
Webs of Deception: Using the SANS ICS Kill Chain to Flip the Advantage to the Defender
Defending a small Industrial Control System (ICS) against sophisticated threats can seem futile. The resource disparity between small ICS defenders and sophisticated attackers poses a significant security challenge.
https://www.sans.edu/cyber-research/webs-deception-using-sans-ics-kill-chain-flip-advantage-defender/