The United States Cybersecurity & Infrastructure Security Agency, which is part of the U.S. Department of Homeland Security has issued an unusual warning to businesses. It says they should be prepared to defend against cyberattacks originating from Russia. “Every organization—large and small—must be prepared to respond to disruptive cyber activity,” the agency says in its warning.

“In the wake of continued denial of service and destructive malware attacks affecting Ukraine and other countries in the region, we are working very closely with our Joint Cyber Defense Collaborative (JCDC) and international computer emergency readiness team (CERT) partners to understand and rapidly share information on these ongoing malicious cyber activities,” the CISA statement says.

This isn’t the first time our grid has been attacked and given the recent circumstances, it won’t be the last. Here is a list of the most recent cyber attacks that have occurred to date. This could leave many confused. Because how can we, as regular people, defend against a cyber attack?

According to Purple Sec, cyber-attacks are performed with malicious intent when a threat actor attempts to exploit a vulnerability or weakness in a system or individuals of an organization. These attacks threaten to steal, alter, destroy, disable or gain access to or make use of an unauthorized asset.

Cyber attacks can occur in many different ways. Cybersecurity.gov says these are the ones to be concerned about:

• Access your personal computers, mobile phones, gaming systems, and other internet- and Bluetooth-connected devices.

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