Converting data and information, sensitive or not, into code to protect it and prevent any unauthorized access.
Encryption is the process of transforming data into a scrambled, unreadable format that can only be unlocked with a proper key. It protects data both at rest (when stored) and in transit (when traveling across networks). Without encryption, intercepted or stolen data is immediately intelligible to attackers; with it, the data is useless without the key.
Encryption is one of the most time-tested shields in cybersecurity. Even if an attacker breaches perimeter defenses, if data is encrypted properly, they can’t exploit it. Courts and regulators often treat weak or missing encryption as evidence of negligence in data protection. Beyond legal exposure, failing to encrypt sensitive data undermines user trust—customers don’t want to use services that leave their private information exposed.
In Dawkins v. Unilever United States Inc. (California, 2024), plaintiffs alleged that Unilever’s websites shared consumer browsing data via tracking tools without adequate encryption. The lawsuit claims those unprotected exchanges exposed users’ sensitive information to third parties. This case illustrates how even passive data sharing can become a legal liability when encryption is ignored.
Learn the steps and rationale behind using BitLocker’s XTS-AES 256-bit mode to protect your Windows devices. This in-depth guide helps you implement encryption correctly rather than relying on weak defaults.
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