Ransomware often enters through unpatched vulnerabilities in operating systems or applications. Exploits like EternalBlue have been used in high-profile attacks. Once a vulnerability is exploited, malware spreads rapidly. Vendors release patches, but delays in updates leave windows open. Automated attack tools scan the internet for such weaknesses.
It matters because timely patching is a critical defense. Ignoring updates increases risk exponentially.
It also stresses the importance of vulnerability management and monitoring.
Ransomware exploits unpatched software vulnerabilities.
[Microsoft Security Blog, microsoft.com]