Word: Backdoor
Definition:
A backdoor is a tool installed after a compromise to give an attacker easier access to the compromised system around any security mechanisms that are in place.
Sample Sentence:
The attacker left a backdoor that allowed re-entry even after the malware was removed.
Why It Matters:
Backdoors bypass normal security controls and can lead to persistent unauthorized access.
Quick Tip:
Use endpoint detection tools to scan for unknown processes or network connections indicating a backdoor.
Source: https://www.sans.org/security-resources/glossary-of-terms/
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