Hello, you are using an old browser that's unsafe and no longer supported. Please consider updating your browser to a newer version, or downloading a modern browser.
Training Camp • Cybersecurity Glossary
Security method blocking access to known malicious entities
Blacklisting Definition: Security method blocking access to known malicious entities
Blacklisting in cybersecurity is a security technique where a specific list of known malicious entities, such as IP addresses, email addresses, domains, applications, or file hashes, is created and maintained to deny them access to systems or resources. While effective against known threats, blacklisting requires continuous updates and cannot protect against previously unidentified threats, leading many organizations to complement it with whitelisting approaches for comprehensive security.
Turn knowledge into credentials with our instructor-led cybersecurity boot camps.
View All Courses →