The National Security Agency (NSA) is a U.S. intelligence authority whose guidance supports cybersecurity defense and cryptographic practice.
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NSA is the U.S. National Security Agency, responsible chiefly for signals intelligence (SIGINT)—collecting and analyzing foreign electronic communications and other signals—and for cybersecurity of U.S. national security systems. Its cybersecurity work includes cryptography, secure communications, technical standards and guidance, and coordinated advisories about threats and vulnerabilities. The tag may also cover the agency’s intelligence authorities and disclosures.
For practitioners, NSA advisories can provide threat indicators, exploit details, mitigations, and hardening advice, but their scope and authority matter: many recommendations target classified or other national-security systems rather than ordinary enterprise environments, and are not automatically legal or regulatory requirements. NSA activities can also raise privacy and governance questions around surveillance, vulnerability handling, and access to sensitive systems. Organizations should validate applicability, prioritize mitigations through vulnerability management, and protect NSA-derived threat intelligence and cryptographic guidance from unauthorized disclosure.
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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and National Security Agency (NSA), along with international partners from Australia and Canada, have released guidance to harden on-premise Microsoft Exchange Server instances from potential exploitation
China on Sunday accused the U.S. National Security Agency (NSA) of carrying out a "premeditated" cyber attack targeting the National Time Service Center (NTSC), as it described the U.S. as a "hacker empire" and the "greatest source of chaos in cyberspace." The Ministry of State Security (MSS), in a WeChat post, said it uncovered "irrefutable evidence" of the agency's involvement in the intrusion
The U.S. government on Thursday published a new cybersecurity advisory warning of North Korean threat actors' attempts to send emails in a manner that makes them appear like they are from legitimate and trusted parties
A former employee of the U.S. National Security Agency (NSA) has been sentenced to nearly 22 years (262 months) in prison for attempting to transfer classified documents to Russia
The U.S. National Security Agency (NSA) has admitted to buying internet browsing records from data brokers to identify the websites and apps Americans use that would otherwise require a court order, U.S. Senator Ron Wyden said last week
A former employee of the U.S. National Security Agency (NSA) has pleaded guilty to charges accusing him of attempting to transmit classified defense information to Russia
Cybersecurity agencies from Japan and the U.S. have warned of attacks mounted by a state-backed hacking group from China to stealthily tamper with branch routers and use them as jumping-off points to access the networks of various companies in the two countries
U.S. cybersecurity and intelligence agencies have released a set of recommendations to address security concerns with 5G standalone network slicing and harden them against possible threats
The U.S. National Security Agency (NSA) on Thursday released guidance to help organizations detect and prevent infections of a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus
Proof-of-concept (Poc) code has been released for a now-patched high-severity security flaw in the Windows CryptoAPI that the U.S. National Security Agency (NSA) and the U.K. National Cyber Security Centre (NCSC) reported to Microsoft last year
The U.S. National Security Agency (NSA) on Tuesday said a threat actor tracked as APT5 has been actively exploiting a zero-day flaw in Citrix Application Delivery Controller (ADC) and Gateway to take over affected systems
U.S. cybersecurity and intelligence agencies on Tuesday disclosed that multiple nation-state hacking groups potentially targeted a "Defense Industrial Base (DIB) Sector organization's enterprise network" as part of a cyber espionage campaign
A former U.S. National Security Agency (NSA) employee has been arrested on charges of attempting to sell classified information to a foreign spy, who was actually an undercover agent working for the Federal Bureau of Investigation (FBI)
China has accused the U.S. National Security Agency (NSA) of conducting a string of cyberattacks aimed at aeronautical and military research-oriented Northwestern Polytechnical University in the city of Xi'an in June 2022
Researchers from China's Pangu Lab have disclosed details of a "top-tier" backdoor put to use by the Equation Group, an advanced persistent threat (APT) with alleged ties to the cyber-warfare intelligence-gathering unit of the U.S. National Security Agency (NSA)
Cybersecurity authorities from Australia, the U.K., and the U.S. have published a joint advisory warning of an increase in sophisticated, high-impact ransomware attacks targeting critical infrastructure organizations across the world in 2021