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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.
Weekly headline count for the current query.
We look into a stealthy multi‑stage attack campaign that delivers PureLog Stealer entirely in memory using encrypted, fileless techniques.
This blog discusses how Gunra ransomware’s new Linux variant accelerates and customizes encryption, expanding the group’s reach with advanced cross-platform tactics.
BERT is a newly emerged ransomware group that pairs simple code with effective execution—carrying out attacks across Europe and Asia. In this entry, we examine the group’s tactics, how their variants have evolved, and the tools they use to get past defenses and speed up encryption across platforms.
Our research shows how attackers use platforms like YouTube to spread fake installers via trusted hosting services, employing encryption to evade detection and steal sensitive browser data.
We observed cryptocurrency and information stealer ViperSoftX evading initial loader detection and making its lure more believable by making the initial package loader via cracks, keygens, activators, and packers non-malicious. We also noted more sophisticated encryption and basic anti-analysis techniques, such as byte remapping and web browser communication blocking.
Trend Micro researchers discovered a new ransomware that abuses the APIs of a legitimate tool called Everything, a Windows filename search engine developed by Voidtools that offers quick searching and real-time updates for minimal resource usage.
TLS is the backbone of encryption and key to ensuring data integrity, but its misconfiguration can leave your system vulnerable. Read on to discover how to secure your TLS connection and arm your organization against malicious attacks.
This blog entry looks at the characteristics of a new WannaRen ransomware variant, which we named Life ransomware after its encryption extension.