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7 Major Cyber Attacks in 2021 and Lessons Learned to Strengthen Your Defenses in 2022

Cyber attackers continued to successfully target organizations in all sectors and of all sizes during 2021. The biggest cyber attacks in 2021 resulted in damaging financial, reputational, and even societal consequences. Security leaders and teams should use the lessons learned from high-profile attacks to improve their organization’s security posture. Let’s look at 7 major cyber attacks in 2021 and the key lessons to learn from them. The 2021 Cyber Attack Landscape Threat actors continued to take advantage of additional security vulnerabilities created by the rapid pandemic-induced change to remote work. When remote work was a factor in data breaches during 2021, one study found the cost per breach increased by $1 million per incident. Ransomware remains one of the most significant cybersecurity threats with targets ranging from critical infrastructure to large enterprises to police departments. According to one report, 37 percent of organizations surveyed were hit by ransomware attacks in 2021. Ransomware gangs now regularly use double extortion techniques. Not content with just encrypting important files or endpoints, in double extortion attacks, adversaries exfiltrate sensitive data before delivering ransomware payloads. The added incentive to pay the ransom comes from the threat of sensitive data being published on the Dark Web. […]