MoD 'how to stop leaks' document is leaked

MoD 'how to stop leaks' document is leaked
MoD 'how to stop leaks' document is leaked 

By Tom Chivers
05 Oct 2009

The Defence Manual of Security is intended to help MoD, armed forces and 
intelligence personnel maintain information security in the face of 
hackers, journalists, foreign spies and others.

But the 2,400-page restricted document has found its way on to 
Wikileaks, a website that publishes anonymous leaks of sensitive 
information from organisations including governments, corporations and 

Known in the services as Joint Services Protocol 440 (JSP 440), it was 
published in 2001. As Wikileaks notes, it is the document that is used 
as justification for the monitoring of certain websites, including 
Wikileaks itself.

Under the section "Leaks of Official Information", it says: "Leaks 
usually take the form of reports in the public media which appear to 
involve the unauthorised disclosure of official information (whether 
protectively marked or not) that causes political harm or embarrassment 
to either the UK Government or the Department concerned.

"The threat [of leakage] is less likely to arise from positive acts of 
counter-espionage, than from leakage of information through disaffected 
members of staff, or as a result of the attentions of an investigative 
journalist, or simply by accident or carelessness."


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