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Background for this topic.
Encryption transforms readable data into ciphertext using an algorithm and a key, so someone who obtains the ciphertext cannot normally understand it without the required key. It protects confidentiality for data in transit, such as traffic between services, and at rest, such as files, databases, and backups. Encryption does not by itself prove who sent data, prevent tampering, or protect plaintext displayed on a compromised endpoint.
Its security therefore depends on implementation and key management. Attackers may target stolen, exposed, or overprivileged keys, weak algorithms or protocols, poor randomness, and systems that decrypt data unnecessarily. Use modern, authenticated encryption where appropriate; protect keys separately from encrypted data with tightly limited access, rotation and revocation procedures, and monitored use. Verify that encryption covers relevant backups and internal service links, while recognizing that lost keys can make recovery impossible and that encrypted traffic may still reveal metadata such as timing or endpoints.
Discord has introduced the DAVE protocol, a custom end-to-end encryption (E2EE) protocol designed to protect audio and video calls on the platform from unauthorized interceptions. [...]
Europol and law enforcement from nine countries successfully dismantled an encrypted communications platform called "Ghost," which was used by organized crime such as drug trafficking and money laundering. [...]
Google announced updates in the post-quantum cryptographic key encapsulation mechanism used in the Chrome browser, specifically, the swap of Kyber used in hybrid key exchanges with Module Lattice Key Encapsulation Mechanism (ML-KEM). [...]