vulnerability
n. C / Un. a weakness or mistake in a computer system, network, or software. Hackers can use this flaw to break in, steal data, or cause damage.
n. a flaw or weakness in a computer system, network, or software application that can be exploited by an attacker to compromise security.
The company released an update to fix a security vulnerability.
Researchers discovered a critical vulnerability in the messaging app that allowed hackers to secretly read private conversations.
By exploiting an unpatched vulnerability in the server's operating system, the syndicate bypassed all perimeter defenses and exfiltrated terabytes of encrypted corporate data.
From vulnerable + -ity.
Frequently collocates with verbs like 'exploit', 'patch', or 'discover', and is often modified by adjectives like 'critical' or 'security'.