Stay informed on the latest exposure risks in information security. Expert analysis, breach updates, and data leak prevention tips. Stay secure!
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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.
Air France and KLM have informed Flying Blue customers that some of their personal information was exposed after their accounts were breached. [...]
The September incident exposed names, social security numbers and driver's license numbers
The latest breach announced by LastPass is a major cause for concern to security stakeholders. As often occurs, we are at a security limbo – on the one hand, as LastPass has noted, users who followed LastPass best practices would be exposed to practically zero to extremely low risk. However, to say that password best practices are not followed is a wild understatement. The reality is that there
Security analysts disclosed severe API security flaws impacting numerous car makers, enabling them to access vehicle owner information, take over accounts, access internal systems, modify records, and track their position. [...]
More than 60,000 Microsoft Exchange servers exposed online are yet to be patched against the CVE-2022-41082 remote code execution (RCE) vulnerability, one of the two security flaws targeted by ProxyNotShell exploits. [...]
U.S. rail and locomotive company Wabtec Corporation has disclosed a data breach that exposed personal and sensitive information. [...]