Breaking News – Cyber Threats (last 6h)
Generated: 2026-06-26 17:00 PDT
- FBI: Russian hackers now target Signal backup recovery keys
BleepingComputer • 2026-06-26 15:06 • www.bleepingcomputer.com
The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims’ historical messages. […]
https://www.bleepingcomputer.com/news/security/fbi-russian-hackers-now-target-signal-backup-recovery-keys/ - The Chinese Control the Majority of Argentina’s Squid Fleet
Schneier on Security • 2026-06-26 13:57 • www.schneier.comChinese companies control nearly two-thirds of Argentina’s own squid fleet.
- CISA sets urgent deadline to fix Cisco flaw exploited in attacks
BleepingComputer • 2026-06-26 12:43 • www.bleepingcomputer.com
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Communications Manager Server that is being actively exploited. […]
https://www.bleepingcomputer.com/news/security/cisa-sets-urgent-deadline-to-fix-cisco-flaw-exploited-in-attacks/ - FBI Warns Russian Intelligence Hackers Target Signal Backup Recovery Keys
The Hacker News • 2026-06-26 12:38 • thehackernews.com
The FBI and CISA have updated their March warning about Russian intelligence phishing Signal accounts, and the operators have added a step: they now coax targets into handing over their Signal Backup Recovery Key.Hand it over once, and the attacker can restore the account’s backup, read the private and group message history, and take over the account. Worse, the key keeps working.
https://thehackernews.com/2026/06/fbi-warns-russian-intelligence-hackers.html - New SharkLoader Malware Deploys Cobalt Strike in StrikeShark Cyberattacks
The Hacker News • 2026-06-26 11:17 • thehackernews.com
A newly discovered cyber attack campaign has been observed delivering a previously undocumented malware family called SharkLoader that acts as a loader for deploying Cobalt Strike Beacon on compromised hosts.Kaspersky, which is tracking the activity under the moniker StrikeShark, said the campaign has targeted a diplomatic organization in Indonesia, government organizations in Taiwan,
https://thehackernews.com/2026/06/new-sharkloader-malware-deploys-cobalt.html - Polymarket customers lose $3 million in supply-chain attack
BleepingComputer • 2026-06-26 11:04 • www.bleepingcomputer.com
Polymarket says it will fully reimburse customers who lost an estimated $3 million after hackers injected a malicious script into the platform’s frontend following a breach at a third-party vendor. […]
https://www.bleepingcomputer.com/news/security/polymarket-customers-lose-3-million-in-supply-chain-attack/
Sources: BleepingComputer, The Hacker News, KrebsOnSecurity, SANS ISC, CISA.
