As the U.S. braces for blowback following its killing of a key Iranian military commander, experts are warning of the possibility of cyberattacks targeting American institutions.
Tehran and its proxies are thought to possess some of the most highly developed cyber arsenals in the world — major tools in modern, asymmetrical warfare, where countries and non-state actors fight ruleless, virtual battles with real-world repercussions.
Cyberattacks, combined with violence aimed at U.S. targets, could form the "harsh retaliation" promised by Iran's supreme leader following the death of Maj.-Gen. Qassem Soleimani in a drone strike in Iraq.
A top U.S. cybersecurity official was among the first to sound the alarm about the threat to Americans.
Christopher Krebs, director of the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency (CISA), advised late Thursday that it's "time to brush up" on Iran's tactics.
Given recent developments, re-upping our statement from the summer. Bottom line: time to brush up on Iranian TTPs and pay close attention to your critical systems, particularly ICS. Make sure you’re also watching third party accesses! https://t.co/4G1P0WvjhS
—@CISAKrebs
He shared a Homeland Security statement first posted last June, warning that Iran and its proxies had stepped up cyberattacks on U.S. targets, and that they're "looking to do much more than just steal data and money."
Iranian cyberattacks, Krebs wrote, "can quickly become a situation where you've lost your whole network."
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