Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed

Nov 04, 2025Ravie Lakshmanan Cybersecurity researchers have disclosed details of four security flaws in Microsoft Teams that could have exposed users to serious impersonation and social engineering attacks. The vulnerabilities “allowed attackers to manipulate conversations, impersonate colleagues, and exploit notifications,” Check Point said in a report shared with The Hacker News. Following responsible disclosure in…

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OpenAI restructures, enters ‘next chapter’ of Microsoft partnership

OpenAI has completed a major reorganisation and, in the same breath, signed a new definitive partnership agreement with Microsoft. Starting with OpenAI’s reorganisation, the aim is to solidify the nonprofit’s control over the for-profit business and establish the newly named OpenAI Foundation as a global philanthropic powerhouse, holding equity in the commercial arm valued at…

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