Stay informed on the latest exposure risks in information security. Expert analysis, breach updates, and data leak prevention tips. Stay secure!
Search across headline titles and summaries.
Background for this topic.
Exposure is the condition in which a system, service, credential, vulnerability, or sensitive information is accessible or discoverable by people or systems that should not reach it. In threat modeling, it describes an attack surface or loss of control—not proof that an attacker has succeeded. Examples include an internet-facing administration interface, cloud storage with unintended permissions, a secret committed to source code, or personal data sent to an unintended recipient. Its significance depends on what is exposed, who can reach it, and which protections remain.
The primary defense is exposure reduction: maintain an accurate asset inventory, remove unnecessary public access, enforce least-privilege permissions and strong authentication, patch externally reachable software, and revoke leaked credentials or secrets. Encryption can limit the value of exposed data, but does not correct an exposed access path. Continuous scanning and log review help identify changes and support rapid containment when exposure is discovered.
Russian Intel Hackers Flexible in Face of DetectionRussia-linked threat group COLDRIVER rapidly replaced its exposed malware with a stealthier PowerShell variant, using fake CAPTCHA prompts and cryptographic key-splitting to evade detection and escalate surveillance on NGOs, dissidents and policy experts, according to new research.
Tenable's Nate Dyer on Moving Beyond Traditional Vulnerability ManagementVulnerability management no longer covers the full attack surface. Nathan Dyer of Tenable explains how unified exposure management helps reduce risk, shrink ticket volume and increase operational efficiency by unifying data, context and response across teams.