Privacy concerns how laws and norms govern personal data, shaping cybersecurity duties for collection, storage, access, and disclosure.
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Background for this topic.
Privacy is the ability of people to control how information about them is collected, used, retained, and disclosed. In technical and legal contexts, it covers identifiable data and data that can support inferences about a person, not only information made public. Privacy rules and organizational policies commonly address purpose, transparency, access, correction, retention, and sharing.
For security practitioners, privacy depends on reducing unnecessary data and restricting legitimate access: data minimization, encryption, least-privilege controls, segregation of identifiers, retention limits, and audit logs all reduce exposure. Compromised credentials, misconfigured storage, excessive telemetry, or third-party access can reveal sensitive information; pseudonymized datasets may also be re-identified when combined with other data. During an incident, teams must establish what personal data was accessed or disclosed, contain further exposure, preserve evidence, and meet applicable notification and handling requirements.
Google this week announced a new set of Play policy updates to strengthen user privacy and protect businesses against fraud, even as it revealed it blocked or removed over 8.3 billion ads globally and suspended 24.9 million accounts in 2025
Browser fingerprinting is everywhere Google markets its Chrome browser by citing its superior safety features, but according to privacy consultant Alexander Hanff, Chrome does not protect against browser fingerprinting – a method of tracking people online by capturing technical details about their browser.…
Google, Meta, and Microsoft about half the time don't comply with requests to opt out of online tracking per a California law mandate, privacy watchdog finds.
Patients Allege Health Entities Did Not Get Consent to Record ConversationsProposed federal class action litigation alleges that two California healthcare organizations violated patient privacy in their use of an AI-enabled ambient tool that records, transcribes, and processes sensitive conversations between clinicians and patients without individuals' consent.