Joint Services Publication 440 ("JSP 440") is the name of a British 2001 Ministry of Defence

Ministry of Defence (United Kingdom)

The Ministry of Defence is the United Kingdom government department responsible for implementation of government defence policy and is the headquarters of the British Armed Forces....

 2,400-page restricted document describing requirements to assure the confidentiality, integrity, and availability of military computer systems. This has been interpreted in the media as instructions for avoiding leaks due to hacker

Hacker (computer security)

In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

s, journalist

Journalist

A journalist collects and distributes news and other information. A journalist's work is referred to as journalism.A reporter is a type of journalist who researchs, writes, and reports on information to be presented in mass media, including print media , electronic media , and digital media A...

s, and foreign spies

SPY

SPY is a three-letter acronym that may refer to:* SPY , ticker symbol for Standard & Poor's Depositary Receipts* SPY , a satirical monthly, trademarked all-caps* SPY , airport code for San Pédro, Côte d'Ivoire...

.

The publication was posted on Wikileaks

Wikileaks

WikiLeaks is an international self-described not-for-profit organisation that publishes submissions of private, secret, and classified media from anonymous news sources, news leaks, and whistleblowers. Its website, launched in 2006 under The Sunshine Press organisation, claimed a database of more...

on 3 October 2009.

External links

• UK MoD Manual of Security JSP-440