A report from the National Audit Office has warned that ministers need to address the skills gap for IT and security specialists.
The threat to cyber security is persistent and continually evolving.
Business, government and the public must constantly be alert to the level of risk if they are to succeed in detecting and resisting the threat of cyber attack.
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Phone hacking was "rife" at the Daily and Sunday Mirror newspapers and the People by mid-1999 at the latest, the High Court has heard.
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