Operation FORTITUDE, the D-Day deception plan, was a near perfect plan used by the Allies during World War II to deceive the Germans as to the time and place of the Normandy invasion. This short research paper studies the methods and techniques used by the Allies, specifically the British Security Services, in the near flawless execution of the deception plan. This paper also proposes that the plan was so well executed because it was a “closed loop” plan. That is to say that the British controlled not only the information going forward to the Germans, but they were also in the enviable position of being able to determine the exact extent of the Germans’ belief in the veracity of the information that they were given. This was due to two factors: the British had complete control of all German agents in England by the second year of the war, and the British were able to read encrypted German message traffic, often as fast as the intended recipients. In the final analysis, the Germans were completely outmaneuvered in the intelligence department during the Second World War. Through sloppy work on their part and the amazingly well manufactured deception story put forth by the Allies, the Germans were essentially blind while trying to defend the Normandy beaches. The research for this paper was conducted solely using open-source material. Many of these were secondary sources, though others were recently declassified operational documents from the British and United States historical records.

Before landing in France on D-Day, June 6, 1944, the Allies executed an elaborate deception plan designed to prevent the Germans from concentrating forces in Normandy. The lesser-known first part, Fortitude North, suggested a threat to Norway. The more famous Fortitude South indicated that the invasion would occur at the Pas de Calais rather than Normandy, largely by creating a fictitious army group under Gen. George S. Patton. While historians have generally praised Operation Fortitude, Barbier takes a more nuanced view, arguing that the deception, while implemented well, affected the invasion's outcome only minimally. A much-needed reassessment of the deception operation that preceded the Allied invasion of Europe in World War II Involves double agents, fake equipment, phantom units, and famous commanders

This declassified WWII report offers a detailed look at the Allied campaign to deceive the Nazis about the immanent attack on Normandy. As the conflict in Europe wore on, the Germans braced for an amphibious assault on France. The only question was where and when the Allies would strike. This required an intricate misinformation campaign to throw the Nazis off the scent. The objective of Operation Fortitude was to persuade the enemy that the long-awaited landings would take place in the Pas-de-Calais, and that any attack in Normandy would be nothing more than a diversionary feint that could be safely ignored. Hundreds of bogus agent reports were manufactured, an entire US Army Group was invented, false radio signals transmitted, and inflatable tanks, dummy bombers built of balsa wood and canvas landing craft were positioned where they could be photographed by the Luftwaffe. The elaborate ruse suggested an imminent amphibious assault from Dover, across the shortest stretch of the English Channel. Operation Fortitude was an extraordinary success. In this volume, the classified official history of the entire operation, written by Roger Hesketh as head of the team of D-Day deception specialists, has been declassified and released.

D-Dag var ikke kun et resultat af synlige militære operationer, men også i høj grad af efterretningsvæsen og dobbeltagenter

Juan Pujol, a young Spanish antifascist, became agent GARBO, a master of deception and intrigue. His story contains all the hallmarks of classic spy adventure—enciphered messages, secret inks, items concealed in cakes—culminating in one of the greatest strategic deceptions in history. Through a ring of invented subagents, GARBO and his MI5 controllers succeeded in convincing the Germans that the DDay landings were only a diversionary tactic, thus safeguarding the Allied landings and hastening the end of the war in Europe. Secret History Files is an exciting series from The National Archives that puts covert history in readers’ hands. Dossiers previously classified as "Top Secret" are now available, with an explanatory introduction and background analysis by expert historians. Publisher’s Note: This publication brings you in full the ’Summary of the Garbo Case 1941—1945’ by Tomás Harris. All document references are to the original files, which may be consulted under supervision at the National Archives, Kew. Our intention is to reproduce the material as faithfully as possible without compromising the integrity of the original. This means that the occasional inconsistency or typing error survives from Harris’s text. The symbol [...] is used where material from the original document has been retained under section 3(4) of the Public Records Act 1958.

Since 9/11, the U.S. government and the private sector have devised sophisticated ways of protecting people and assets. The threats have evolved, however, becoming more insidious. They no longer comprise just terrorists who target critical infrastructures. They also include insider threats, such as PFC Manning and NSA contractor Snowden who leaked classified defense information, active shooter incidents like the Sandy Hook Elementary School massacre, and the 2013 Boston Marathon terrorist bombing. These events make it imperative for the public and private sectors to engage in effective partnership to protect people, facilities, and national infrastructure assets. Homeland Security and Private Sector Business: Corporations' Role in Critical Infrastructure Protection, Second Edition identifies the role the private sector plays in securing our homeland and offers strategies to aid in the fight against national and international threats. Addressing mandates and legislation introduced since the first edition, this new edition includes: Updates to the NIPP (National Infrastructure Protection Plan) New case studies of both proper security policies and procedures in practice versus costly security breaches Greater focus on smaller business and practical "immediate use" guidance New measures for assessing and addressing vulnerabilities and threats New appendices with sample plans and practical checklists Supplying tools that can easily be adapted and applied to every business situation at all budget levels, the book helps businesses counter the total threat, from traditional terrorists to inside betrayers—providing a clear blueprint for securing people and assets.

Addressing mandates and legislation introduced since the first edition, this new edition of an essential text identifies the role the private sector plays in securing our homeland and offers strategies to aid in the fight against national and international threats. It includes updates to the NIPP (National Infrastructure Protection Plan), new case studies of both proper security policies and procedures in practice versus costly security breaches, a toolkit for improving a company‘s security posture, and new measures to assess and address vulnerabilities and threats.

Operation Fortitude tells the thrilling tale of an ingenious decption that changed the course of the Second World War. The Story is one of intrigue, drama, and good fortune, practically a Hollywood script. It is the tale of double agents, fake radio transmissions and dummy invasion craft.

In World War II, the Allies employed unprecedented methods and practiced the most successful military deception ever seen, meticulously feeding misinformation to Axis intelligence to lead Axis commanders into erroneous action. Thaddeus Holt's elegantly written and comprehensive book is the first to tell the full story behind these operations. Exactly how the Allies engaged in strategic deception has remained secret for decades. Now, with the help of newly declassified material, Holt reveals this secret to the world in a riveting work of historical scholarship. Once the Americans joined the war in 1941, they had much to learn from their British counterparts, who had been honing their deception skills for years. As the war progressed, the British took charge of misinformation efforts in the European theater, while the Americans focused on the Pacific. The Deceivers takes readers from the early British achievements in the Middle East and Europe at the beginning of the war to the massive Allied success of D-Day, American victory in the Pacific theater, and the war's culmination on the brink of an invasion of Japan. Colonel John Bevan, who managed British deception operations from London, described the three essentials to strategic deception as good plans, double agents, and codebreaking, and The Deceivers covers each of these aspects in minute detail. Holt brings to life the little-known men, British and American, who ran Allied deception, such as Bevan, Dudley Clarke, Peter Fleming, Douglas Fairbanks, Jr., and Newman Smith. He tracks the development of deception techniques and tells the hitherto unknown story of double agent management and other deception through the American FBI and Joint Security Control. Full of fascinating sources and astounding revelations, The Deceivers is an indispensable volume and an unparalleled contribution to World War II literature.

Where was the Luftwaffe on D-Day? Following decades of debate, 2010 saw a formerly classified history restored and in it was a new set of answers. Pointblank is the result of extensive new research that creates a richly textured portrait of perhaps the last untold story of D-Day: three uniquely talented men and why the German Air Force was unable to mount an effective combat against the invasion forces. Following a year of unremarkable bombing against German aircraft industries, General Henry H. “Hap” Arnold, commander of the U.S. Army Air Forces, placed his lifelong friend General Carl A. “Tooey” Spaatz in command of the strategic bombing forces in Europe, and his protégé, General James “Jimmy” Doolittle, command of the Eighth Air Force in England. For these fellow aviation strategists, he had one set of orders – sweep the skies clean of the Luftwaffe by June 1944. Spaatz and Doolittle couldn't do that but they could clear the skies sufficiently to gain air superiority over the D-Day beaches. The plan was called Pointblank.