Text message spam is best ignored, but when a security researcher followed a trail of deception laid out on Apple's iMessage he became the proud owner of cheap designer accessories from China.

If you haven't gotten spam on your Apple iMessage, count yourself lucky. Spam has been ballooning on the tech giant's mobile messaging service, security researchers at CloudMark say. In May, iMessage spam made up more than 40 percent of all mobile spam. Landesman, anti-spam researcher, confirmed his suspicion that the spam came from China after buying the advertised designer-label knock-offs. They were all shipped from China.

If you’ve got an email in your inbox from the World Health Organization offering “information and prevention” tips about Ebola, don’t click on its attachment – you’re likely to end up with a nasty digital infection.

Cybercriminals are using the current Ebola outbreak as a topical hook for spam emails that can install malware giving them remote access to computers, including logging key presses, capturing video from webcams and stealing passwords. Online Security firm Trustwave’s SpiderLabs team of ethical hackers published details of the scam, noting that emails pretend to be from the World Health Organization.