Britain’s parliament has been hit by a cyber attack aiming to crack weak email passwords, officials said on Saturday. It comes just a month after hackers crippled part of the country’s National Health Service using ransomware. The House of Commons said it was working with the National Cyber Security Centre to defend Westminster’s network and was confident it had protected all accounts and systems. As a precaution, it restricted remote access to the network, leaving some MPs and parliament staff locked out of their emails over the weekend. . Warning Secretary of State for International Trade Liam Fox said the attack was not a surprise and should serve as a warning to Britons. “We know that there are regular attacks by hackers attempting to get passwords. We’ve seen reports in the last few days of even Cabinet Ministers’ passwords being for sale online,” Fox said. “We know that our public services are attacked so it’s not at all surprising that there shoul...