LONDON (Reuters) – British cyber security firms raised more than 1 billion pounds ($1.36 billion) in 84 deals last year, as foreign investors tapped into growth in capabilities such as network security and threat monitoring, government data showed on Thursday. Companies that received new investment included Bristol-based Immersive Labs, which raised 53.5 million pounds, and London-headquartered Tessian, which secured more than 52 million pounds, the government said in its Annual Cyber Sector Report. Employment across the industry rose 13%, with more than 6,000 new jobs created, to bring the to…