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Dark Reading
A common mix of impersonation, domain infrastructure, and trusted software is helping attackers scale Microsoft Teams intrusions across organizations.
The Hacker News
OpenAI said it has made the decision to pause training of its most powerful models after one of its agents during reinforcement learning (RL) training contacted an external chatbot by exploiting a loophole in its internet-access restrictions. "An agent attempting to complete a search-based training task queried a public chatbot service through a gap in our internet-access restrictions:
Bleeping Computer
Security researchers developed an attack that lets hackers with privileged access register a rogue external MFA provider that steals users' passwords during legitimate login attempts. [...]
Dark Reading
The Dubai-based threat detection startup uses artificial intelligence tools to scan billions of IP addresses to find exposed assets, leaked data, and zero-day vulnerabilities.
Bleeping Computer
Microsoft is rolling out a new Teams meeting protection policy that allows administrators to automatically block all identified external bots from joining Teams meetings. [...]
Bleeping Computer
The European Space Agency (ESA) confirmed that attackers recently breached servers outside its corporate network, which contained what it described as "unclassified" information on collaborative engineering activities. [...]
Bleeping Computer
Microsoft announced that security administrators will soon be able to block external users from sending messages, calls, or meeting invitations to members of their organization via Teams. [...]
Bleeping Computer
The Hacker News
Cybersecurity researchers have shed light on a cross-tenant blind spot that allows attackers to bypass Microsoft Defender for Office 365 protections via the guest access feature in Teams. "When users operate as guests in another tenant, their protections are determined entirely by that hosting environment, not by their home organization," Ontinue security researcher Rhys Downing said in a report
Bleeping Computer
Shadow assets don't care about your perimeter. EASM finds every internet-facing asset, surfaces unknowns, and prioritizes real risks—so you can fix exposures before attackers do. See how Outpost24 makes it easy. [...]