Polymarket customers lose $3 million in supply-chain attack June 27, 2026 Polymarket says it will fully reimburse customers who lost an estimated $3 million after hackers injected a malicious script into
CISA sets urgent deadline to fix Cisco flaw exploited in attacks June 27, 2026 The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified
FBI: Russian hackers now target Signal backup recovery keys June 27, 2026 The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved