Ahead of Thanksgiving this Thursday, the US Cybersecurity and Infrastructure Agency (CISA) and the FBI have released a warning for critical infrastructure providers to stay vigilant on holidays and weekends, because hackers don’t plan on taking a holiday break.
The agency issued a similar warning in August ahead of the Labor Day weekend, warning that ransomware attackers often choose to launch attacks on holidays and weekends, specifically when businesses are likely to be closed.
“Recent history tells us that this could be a time when these persistent cyber actors halfway across the world are looking for ways—big and small—to disrupt the critical networks and systems belonging to organizations, businesses, and critical infrastructure,” CISA and the FBI said.
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The agencies said they had not identified any specific threats. However, they noted that some of the worst ransomware attacks happened on holidays and weekends, including Independence Day and the Mother’s Day weekend.
To prepare for potential attacks on the Thanksgiving weekend, the agencies have outlined several key steps organizations can take to minimize the risk of an attack.
These include: identifying key IT security staff who could handle a surge