ZDNet reports the U.S. Department of Homeland Security's cybersecurity agency is alerting online users to the rise in activity for Iranian hackers and urging U.S. companies to take action to protect systems. Cybersecurity and Infrastructure Security Agency Director Christopher Krebs tweeted a statement from the department, warning users to be wary of cyberattacks, such as data-wiping malware, credential stuffing attacks, password spraying and spear-phishing. "In times like these it's important to make sure you've shored up your basic defenses, like using multi-factor authentication, and if you suspect an incident — take it seriously and act quickly. You can find other tips and best practices for staying safe online here," Krebs said in the statement.
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