Overview
The term 'zero-day' refers to the fact that the vendor has had zero days to fix the vulnerability. These exploits are highly prized by attackers because they are difficult to defend against.
Lifecycle
- Discovery: An attacker or researcher finds a vulnerability.
- Exploitation: The attacker creates and uses an exploit to target systems.
- Detection: The vulnerability or attack is discovered by the vendor or security community.
- Patching: The vendor releases a security update to fix the flaw.
Mitigation
- Defense in Depth: Using multiple layers of security.
- Behavioral Analysis: Detecting unusual activity that may indicate an exploit.
- Sandboxing: Running suspicious code in an isolated environment.