How easy is it to hack a cash machine?

After cash machines were hacked in Thailand and Taiwan in 2016, Click asks if the same thing could happen again.

Leigh-Anne Galloway, a security expert with Positive Technologies, says most cash machines are effectively a Windows XP computer attached to a safe.

BBC Click's Spencer Kelly joins her with a cash machine to find out more.

• Cyber-offenders put through rehab camp
• Staging security at the National Theatre
• China set to launch an 'unhackable' net
• The mindset you need to avoid cyber-crime

See more at Click's website and @BBCClick.

This week BBC News is taking a close look at all aspects of cyber-security. The coverage is timed to coincide with the two biggest shows in the security calendar - Black Hat and Def Con.

We will have further features and videos on Wednesday, and then coverage from the two Las Vegas-based events over the following days.

Follow all our coverage via this link