All news on the topic: Microsoft 365

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Anthropic disrupts Russian cyber campaign using AI to evade detection
Anthropic on Thursday revealed it disrupted a campaign mounted by a Russian state-sponsored threat actor that abused Claude for developing an AI-assisted workflow to get ahead of the detection curve.
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CrowdStrike uncovers "Slim Spider" cybercrime campaign targeting Brazilian financial institutions
A previously undocumented financially motivated threat actor has been linked to attacks targeting Brazilian financial institutions since at least March 2026.
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Russian hackers hijack hotel WiFi networks to spy on business travelers, Microsoft warns
Russian hackers have hijacked hotel and conference WiFi networks worldwide, using fake login portals and software updates to infect travelers with malware and steal sensitive data, Microsoft warned Friday.
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AI model uncovers hundreds of Microsoft vulnerabilities in looming cybersecurity race
On an afternoon in mid-May, dozens of Microsoft engineers and their managers gathered online and in a conference room at the company’s Redmond, Washington, headquarters to discuss Project Glasswing.
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Microsoft 365 down again: users denied access despite paid subscription
Microsoft 365 is experiencing an outage as thousands get ready to begin their workday.