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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.
SharePoint and OneDrive libraries can be encrypted in ransomware attack, researchers say.
POS and online ordering vendor StoreHub offered free Asian info takeaways Researchers at security product recommendation service Safety Detectives claim they’ve found almost a million customer records wide open on an Elasticsearch server run by Malaysian point-of-sale software vendor StoreHub.…
A newly discovered security vulnerability in modern Intel and AMD processors could let remote attackers steal encryption keys via a power side channel attack
Cybersecurity researchers have detailed the workings of a fully-featured malware loader dubbed PureCrypter that's being purchased by cyber criminals to deliver remote access trojans (RATs) and information stealers
Russian-based group doubles the extortion by exfiltrating the corporate data before encrypting it. Windows and Linux systems are coming under attack by new variants of the HelloXD ransomware that includes stronger encryption, improved obfuscation and an additional payload that enables threat groups to modify compromised systems, exfiltrate files and execute commands.…
One of UK’s largest ever drugs labs has been closed down
Cybersecurity researchers report increased activity of the Hello XD ransomware, whose operators are now deploying an upgraded sample featuring stronger encryption. [...]