Nazi agents in Spain gained access to the fake papers on the corpse and did just what the British intended in the ruse. Germany shifted resources to Greece and elsewhere, allowing the Allies to carry out the invasion of Sicily more quickly and with fewer losses than anticipated.

#OTD 1943, Operation Mincemeat began with HMS Seraph setting sail to deposit a corpse dressed as a British major off the coast of Spain for the Nazis to find. Outfitted with fake papers citing Greece, not Sicily, as the target of a pending Allied invasion, the corpse did its job.

Software supply chain attacks are deliberate acts directed against the supply chains of software products, enabling subsequent adversarial actions against users of the software. Explore NCSC’s full infographic as part of #SupplyChainIntegrityMonth 2024: dni.gov/files/NCSC/doc…

NCSC Wall of Spies artifact: In 1999, a Russian listening device was found hidden in a chair rail in a conference room at State Department HQ. FBI agents later detained a Russian SVR official who had been recording audio in the room using special equipment in his nearby vehicle.

This week in 1985, veteran CIA officer Aldrich Ames walked into the Soviet Embassy in Washington, DC and volunteered to spy for the KGB. Over the next nine years, he compromised over 100 Soviet and East European cases and multiple US assets, some of whom were later executed.

Understand the six-step Operations Security ( #OPSEC ) cycle to protect your organization:
1) Identify your critical information
2) Evaluate threats
3) Analyze vulnerabilities
4) Assess risks
5) Apply countermeasures
6) Periodically re-assess
Visit: dni.gov/index.php/ncsc…

Next Tuesday (April 23), join Jeanette McMillian, NCSC’s Assistant Director for Supply Chain & Cyber, for an INSA'Coffee & Conversation' on acquisition, cyber, and enterprise security as part of
National #SupplyChainIntegrityMonth 2024. insaonline.org/detail-pages/e…

During National #SupplyChainIntegrityMonth , take steps to secure your ecosystem. Explore the methods and potential impacts of supply chain attacks at:
dni.gov/files/NCSC/doc…

Visit the NCSC Safeguarding Science page to learn about our partnership with academia and the scientific community to protect research and innovation in emerging technologies. dni.gov/index.php/safe…

Bluetooth tracking tags on lanyards, keycards, and binders have become common at conferences and trade shows. While they help conference organizers with metrics, they can also be exploited by threat actors to collect location data. See NCSC’s bulletins: dni.gov/files/NCSC/doc…

Former U.S. Ambassador and National Security Council Official Admits to Secretly Acting as Agent of the Cuban Government and Receives 15-Year Sentence justice.gov/opa/pr/former-…

Tomorrow is #NationalThomasJeffersonDay : The Founding Father whose many accomplishments included the Committee on Spies report that was considered by the Continental Congress and led to the enactment of the first espionage act on Aug. 21, 1776.

#WorldQuantumDay is Sunday. Help secure America’s future in #quantum by protecting cutting-edge quantum research and innovation from threat actors. See the NCSC/FBI bulletin at: dni.gov/files/NCSC/doc…

The days of cloak and dagger spying look a bit different in the digital age. But the spy business itself is busy — and getting busier. NCSC Director Mike Casey spoke to NPR on All Things Considered. npr.org/2024/04/11/124…

Although often less appreciated than remote-access cyber threats, insider threats to critical infrastructure entities are growing and difficult to mitigate. See NCSC’s insider threat guidance for critical infrastructure: dni.gov/files/NCSC/doc…

Supply Chain Risk Management ( #SCRM ) is the systematic process for managing supply chain risk, vulnerabilities, and threats. Play an A.C.E. For more information, visit: dni.gov/index.php/ncsc…

#OTD in 1992, #KGB major and archivist Vasili Mitrokhin defected to UK officials in Latvia. He provided MI6 with a voluminous collection of KGB case files, which later became known as the Mitrokhin Archive. Info that he shared exposed several KGB agents in the West.

#TechTuesday NCSC Wall of Spies artifact: Replica of the Great Seal of the US given to the US Ambassador in Moscow by a group of Soviet school children in 1945. The seal contained a KGB listening device & hung in the US Ambassador’s residence until the bug was discovered in 1951.

Don’t get fooled by #deepfakes . Last year NSA Cyber, FBI, and Cybersecurity and Infrastructure Security Agency issued guidance on synthetic media threats and how organizations can guard against them. Visit: media.defense.gov/2023/Sep/12/20…

This week in 1965, US Army sergeant Robert Lee Johnson was arrested for espionage. Angry at being denied an Army promotion, he sold the USSR secrets from a US courier center near Paris. Sentenced to 25 years, he was killed in prison by his visiting son, a Vietnam veteran.