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One of Britain's nuclear subs, the HMS Astute, photographed when it ran aground off the coast of Skye, Scotland, in November 2010. Andrew Milligan/PA Wire

UK nuclear submarine secrets accidentally posted online

After sensitive information about nuclear submarine fleet surfaced online, reports claim two other UK government departments have accidentally leaked classified information.

DOCUMENTS CONTAINING sensitive information about Britain’s nuclear submarine fleet have been accidentally posted online by the Ministry of Defence.

Although sections of the documents were blacked out, anyone cutting and pasting those parts was able to see the text, in what Naked Security describes as a “school-boy error”.

Details revealed online about the nuclear submarines included expert opinion on how well they could withstand a catastrophic accident.

The British Ministry of Defence (MoD) said in a statement that it takes nuclear security “very seriously” and is doing everything it can to prevent something like this from happening again, the BBC reports.

The MoD expressed its gratitude to the journalists who had brought the issue to their attention, after the Daily Star Sunday newspaper made contact with officials, according to the Guardian.

The Telegraph reported yesterday that it discovered information which showed that three British government departments have accidentally leaked secret information online by failing to properly redact their classified documents.

That information includes the names of government employees who deal with sensitive information, details of a private Department of Health meeting over contaminated blood concerns, and commercial negotiations with contractors.