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 Monday July 21st, 2025: Sharepoint Exploited; Veeam Fake Voicemail Phish; Passkey Phishing Attack
July 20, 2025
8:05
1.53 MB ( 5.25 MB less)
Downloads: 0
SharePoint Servers Exploited via 0-day CVE-2025-53770
Late last week, CodeWhite found a new remote code execution exploit against SharePoint. This vulnerability is now actively exploited.
https://isc.sans.edu/diary/Critical+Sharepoint+0Day+Vulnerablity+Exploited+CVE202553770+ToolShell/32122/
Veeam Voicemail Phishing
Attackers appear to impersonate VEEAM in recent voicemail-themed phishing attempts.
https://isc.sans.edu/diary/Veeam%20Phishing%20via%20Wav%20File/32120
Passkey Phishing Attack
A currently active phishing attack takes advantage of the ability to use QR codes to complete the Passkey login procedure
https://expel.com/blog/poisonseed-downgrading-fido-key-authentications-to-fetch-user-accounts/