12 October 2015 Beware of scammers continuing to pose as Microsoft with fake upgrade claims Scamwatch is warning consumers to beware of scammers pretending to be from Microsoft, with the latest round of scams based around the current Microsoft Windows 10 system upgrade. 13 August 2015 Beware of fake lottery and competition 'wins' on social networking platforms Scamwatch is warning consumers to beware of fake lotteries or competitions on social networking platforms, with scammers using popular platforms to pedal these empty wins. 11 August 2015 Beware of ransomware Scamwatch is alerting consumers to a spike in the number of people falling victim to ransomware scams in 2015, compared to last year. 22 April 2015 Immigration scam targets migrants Scamwatch is warning consumers to be aware of calls from scammers claiming to be from the 'Department of Immigration' threatening you with deportation and demanding money. 13 April 2015 Telephone calls alleging fake arrest warrants used to scam money SCAMwatch is warning consumers to be aware of calls from scammers falsely claiming to be from the Commonwealth Director of Public Prosecutions (CDPP) or Australian Tax Office (ATO).