WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Nature The World Movies USA Top Art Fine & Rare History Ivy & Inquiry
Secrecy
Videos
Secrecy is the practice of hiding information from certain individuals or groups who do not have the "need to know", perhaps while sharing it with other individuals. That which is kept hidden is known
U.S. soldier at camp during World War II
U.S. soldier at camp during World War II
Loose lips might sink ships, World War II slogan
Loose lips might sink ships, World War II slogan
The First Secret Confided to Venus, François Jouffroy
The First Secret Confided to Venus, François Jouffroy
A Secret from on High (Secret d'en haut), Hippolyte Moulin (Hypolite Moulin), 1879
A Secret from on High (Secret d'en haut), Hippolyte Moulin (Hypolite Moulin), 1879
Classified information
Videos
Classified information is confidential material that a government, corporation, or non-governmental organisation deems to be sensitive information, which must be protected from unauthorized disclosure
Secrecy
…and technical strategies are used to hide messages), true secrecy (where restrictions are put upon those who take part of the message, such as through government security classification) and obfuscation, where secrets are hidden in plain sight behind complex idiosyncratic language (jargon) or steganography. Another classification…
A typical classified document. Page 13 of a U.S. National Security Agency report on the USS Liberty incident, partially declassified and released to t
A typical classified document. Page 13 of a U.S. National Security Agency report on the USS Liberty incident, partially declassified and released to the public in July 2004. The original overall classification of the page, "top secret", and the Special Intelligence code word "umbra", are shown at top and bottom. The classification of individual paragraphs and reference titles is shown in parentheses—there are six different levels on this page alone. Notations with leader lines at top and bottom cite statutory authority for not declassifying certain sections.
KGB's "List of traitors to the Motherland, agents of foreign intelligence, and other wanted state criminals" (1979) seen in the Museum of Genocide Vic
KGB's "List of traitors to the Motherland, agents of foreign intelligence, and other wanted state criminals" (1979) seen in the Museum of Genocide Victims, Vilnius: originally marked top secret
Facsimile of the cover page from an East German operation manual for the M-125 Fialka cipher machine. The underlined classification markings can be tr
Facsimile of the cover page from an East German operation manual for the M-125 Fialka cipher machine. The underlined classification markings can be translated as "Cryptologic material! Secret restricted material" de:Verschlusssache.
A building in Wuhan housing provincial offices for dealing with foreign countries, etc. The red slogan says, "Protection of national secrets is a duty
A building in Wuhan housing provincial offices for dealing with foreign countries, etc. The red slogan says, "Protection of national secrets is a duty of every citizen".