< ciso
brief />
Tag Banner

All news with #encryption at rest tag

47 articles · page 3 of 3

Threat Modeling Your Digital Life Under Authoritarianism

🔒 The article argues that personal threat modeling must adapt as governments increasingly combine their extensive administrative records with corporate surveillance data. It details what kinds of government-held data exist, how firms augment those records, and the distinct dangers of targeted versus mass surveillance. Practical mitigations are discussed—encryption, scrubbing accounts, burner devices—and the piece stresses that every defensive choice is a trade-off tied to individual goals.
read more →

Amazon EventBridge Adds Customer-Managed KMS Support

🔐 Amazon EventBridge now supports AWS KMS customer managed keys for event bus rule filter patterns and input transformers. This lets you encrypt the logic that selects and modifies events with your own keys to meet security and compliance requirements while retaining full key control. The feature is available in all commercial AWS Regions and can be audited via AWS CloudTrail. There is no additional EventBridge charge, though standard AWS KMS pricing applies.
read more →

Signal adds opt-in end-to-end encrypted backups for chats

🔒 Signal has introduced an opt-in secure cloud backups feature that creates end-to-end encrypted archives of users' messages and recent media. The capability is available now in the Android beta and will be rolled out to iOS and desktop after testing completes. The free tier stores messages and up to 45 days of media within a 100 MiB limit; a paid $1.99/month plan raises storage to 100 GB and extends media retention. Backups occur daily, exclude soon-to-disappear and view-once messages, and are protected by a 64-character recovery key generated on-device that Signal never receives.
read more →

Under Lock and Key: Strengthening Business Encryption

🔒 Encryption is a critical layer in modern data protection, safeguarding sensitive and business‑critical information both at rest and in transit. The article outlines key drivers — remote/hybrid work, explosive data growth, device loss, third‑party risks, ransomware and insider threats — that make encryption essential. It recommends robust algorithms such as AES-256, centralized management and solutions for disks, files, removable media and email, alongside minimal end‑user friction. The piece also warns that regulators and insurers increasingly expect strong encryption as part of compliance and underwriting.
read more →

Backdoor Weakness Found in TETRA Radio Encryption Standard

🔒 Security researchers from Midnight Blue have disclosed a critical weakness in an ETSI-endorsed TETRA end-to-end encryption implementation used in professional radios. After extracting and reverse-engineering a Sepura device, they found the E2EE algorithm compresses a 128-bit key to an effective 56 bits before encryption, drastically weakening confidentiality. The behavior looks like an intentional backdoor, and it is unclear which organizations use the vulnerable implementation or whether operators are aware of the risk.
read more →

Protecting Azure Infrastructure From Silicon to Systems

🔐 Microsoft describes a hardware-to-cloud security approach that embeds verification, isolation, and transparency across Azure infrastructure. The piece highlights purpose-built technologies such as Azure Boost for control-plane isolation, Azure Integrated HSM for server-local key protection, and a spectrum of confidential computing guarantees for workloads. It also emphasizes open-source and ecosystem efforts—Caliptra, OCP SAFE, and a Code Transparency Service—to enable verifiable supply-chain attestations and immutable firmware provenance.
read more →

Amazon MSF for Apache Flink Adds Customer Managed Keys

🔐 Amazon Managed Service for Apache Flink now supports Amazon KMS Customer Managed Keys (CMK), giving customers the option to use their own keys instead of AWS-owned keys. This provides greater control over encryption at rest, key rotation, and access policies for data stored in MSF. The update helps address compliance and governance requirements and is available by region; refer to the documentation for implementation details.
read more →