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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.
The US Cybersecurity and Infrastructure Security Agency recommended users turn on phishing-resistant MFA and switch to Signal-like apps for messaging
CISA Says 2035 Quantum Deadline Remains Achievable Despite Recent BreakthroughsThe federal government’s 2035 mandate to adopt quantum-resistant encryption remains feasible despite technological advancements in quantum computing, a top official for the U.S. cyber defense agency told ISMG, but experts warn challenges such as bureaucratic delays and financial costs persist.
CISA Recommends Strict Mobile Security Measures Following Salt Typhoon Telecom HackThe Cybersecurity and Infrastructure Security Agency's latest guidance calls on top U.S. political and government officials to adopt stricter mobile security measures in response to the Salt Typhoon hacking campaign, a Chinese espionage effort that has infiltrated major telecom systems.
Today, CISA urged senior government and political officials to switch to end-to-end encrypted messaging apps like Signal following a wave of telecom breaches across dozens of countries, including eight carriers in the United States. [...]
Regulators Say NIST's 2035 Deadline for Insecure Encryption Could Be Too LateAustralia has rolled out an ambitious roadmap to prepare for future quantum-enabled cyberattacks. Regulators are ready to set an end date for several existing encryption algorithms in 2030 - five years earlier than the deadline set by National Institute of Standards and Technology in the U.S.