Definition: A blacklist is a list of addresses, typically IP addresses, but could also pertain to email addresses among other things, which is rejected or denied access by default. A blacklist of IP addresses known to distribute spam is often used to ban any incoming email from those addresses as a means of combating spam.
Latest posts by Tony Bradley (see all)
- Post-Quantum Cryptography: Preparing for the Next Era of Cybersecurity - January 2, 2025
- Navigating the Future of Secure Code Signing and Cryptography - December 20, 2024
- The Rise of Agentic AI: How Hyper-Automation is Reshaping Cybersecurity and the Workforce - December 20, 2024