Smartphones, watches, televisions and fitness trackers could be used to hold people to ransom over personal data, cyber security experts have warned.

Ransomware, which makes devices unusable until their owners pay to unlock them, has become increasingly prevalent in the past year, they say. Devices holding photos, emails and fitness information could be targeted. The risk to business is "significant and growing", the National Crime Agency and National Cyber Security Centre say. The joint report from the NCA and the NCSC says cyber crime is becoming more aggressive. More devices connecting to the internet meant opportunities for criminals, the report said. Any devices containing personal data such as photos, that people consider sufficiently valuable to pay for, are likely to be targeted by criminals.....Read more here