Holiday shopping triggers spike in cybercrime, experts say, so ignore dodgy-looking emails and social media posts and verify orders on retailers’ websitesThis weekend kicks off the busiest shopping season in many parts of the world – and, starting Cyber Monday, the most popular season for cyber-attacks.Malicious attacks on shoppers increased 40% on Cyber Monday in 2013 and 2014, according to EnigmaSoftware.com, an anti-malware and spyware company, compared to the average number of attacks on days during the month prior.