Security News > 2023 > August > Russian hackers target govt orgs in Microsoft Teams phishing attacks
Microsoft says a hacking group tracked as APT29 and linked to Russia's Foreign Intelligence Service targeted dozens of organizations worldwide, including government agencies, in Microsoft Teams phishing attacks.
These new domains were part of the 'onmicrosoft.com' domain, a legitimate Microsoft domain that is automatically used by Microsoft 365 for fallback purposes in case a custom domain is not created.
"In some cases, the actor attempts to add a device to the organization as a managed device via Microsoft Entra ID, likely an attempt to circumvent conditional access policies configured to restrict access to specific resources to managed devices only," Microsoft added.
Last month, Microsoft refused to address a security issue in Microsoft Teams that can let anyone bypass restrictions for incoming files from external tenants using a Python tool named TeamsPhisher, developed by Alex Reid, a U.S. Navy's Red team member.
Microsoft enhances Windows 11 Phishing Protection with new features.
New tool exploits Microsoft Teams bug to send malware to users.
News URL
Related news
- Hackers Exploit AWS Misconfigurations to Launch Phishing Attacks via SES and WorkMail (source)
- Russian hackers attack Western military mission using malicious drive (source)
- Hackers Abuse Russian Bulletproof Host Proton66 for Global Attacks and Malware Delivery (source)
- Russian Hackers Exploit Microsoft OAuth to Target Ukraine Allies via Signal and WhatsApp (source)
- DPRK Hackers Steal $137M from TRON Users in Single-Day Phishing Attack (source)
- Hackers Exploit Paragon Partition Manager Driver Vulnerability in Ransomware Attacks (source)
- New ClickFix attack deploys Havoc C2 via Microsoft Sharepoint (source)
- New Microsoft 365 outage impacts Teams, causes call failures (source)
- Microsoft Teams tactics, malware connect Black Basta, Cactus ransomware (source)
- YouTube warns of AI-generated video of its CEO used in phishing attacks (source)