Since 2015, Secureworks® Counter Threat Unit™ (CTU) researchers have observed a massive increase in the number and impact of post-intrusion ransomware incidents. In these attacks, a threat actor gains access to a compromised network, moves laterally to other systems and networks, locates the critical business assets, and then chooses a time (which could be days or months after initial access) to deploy ransomware that encrypts the victim’s files. Around the end of 2019, criminals realized they could gain additional...
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