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The Russian cybercriminal group KillNet struck the websites of multiple U.S. airports with distributed denial-of-service (DDoS) attacks, taking them off-line temporarily on Monday. On Tuesday, Killnet claimed another cyberattack, blocking the entire network infrastructure of the largest U.S. bank, JPMorgan. A spokesperson for the bank said that no operations were impacted, without denying that its networks were compromised by a cyber intrusion. Across the Atlantic, Russia unleashed a barrage of missile and drone strikes throughout Ukraine in an apparent escalation of it seven-month war against its post-Soviet neighbor.
Russian cyberstrikes on the U.S. homeland are almost certainly part of Putin’s shift in strategy, expanding Russia’s offensive operations beyond the actual battlefield in Ukraine and into the cyber domain.
This week’s cyber intrusions may have been Putin’s “shot across the bow,” signaling to Washington that …