Cyber Briefing: 2025.05.16

👉 What are the latest cybersecurity alerts, incidents, and news?

APT28 exploits webmail zero-days, AI voice scams target U.S. officials, and Remcos RAT spreads via stealthy LNK files. Coinbase insiders leak user data, hackers phish Swiss energy partners, and Brazilian pharma firms suffer cyberattacks. Lawmakers push to renew CISA, the U.S. indicts 12 in a $230M crypto heist, and Proofpoint acquires Hornetsecurity for $1B.

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Welcome to Cyber Briefing, the newsletter that informs you about the latest cybersecurity advisories, alerts, incidents and news every weekday.

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🚨 Cyber Alerts

1. APT28 RoundPress Webmail Hack Steals Emails