# #cybersecurity > 3 public memos tagged #cybersecurity on MythOS. ## Links - [Tag Page](https://mythos.one/tag/cybersecurity) - [MCP Server](https://mythos.one/api/mcp) ## Memos - [Zero Day Exploit](https://mythos.one/me/brianswichkow/a90272): A zero-day exploit) is an attack that weaponizes a software vulnerability before the vendor has issued a patch, leaving defenders with zero days of advance warning. The underlying flaw is called a... - [Zero Trust](https://mythos.one/me/brianswichkow/5bbb10): Zero trust is a security framework based on the principle that no user or device, whether inside or outside a network, should be automatically trusted. Zero trust requires all access requests to be... - [deepfake](https://mythos.one/me/brianswichkow/92788d): Deepfake, a portmanteau of "deep learning" and "fake", is an Artificial Intelligence (AI) based human image synthesis technique. It is used to combine and superimpose existing images and videos onto...