![]() One that protects our users from malicious attacks without disrupting day to day productivity for most of them. We believe this is another step forward in elevating the security of Office. Without wanting to labour the point, at times it can seem as if the word ‘critical’ has become permanently associated with the word ‘Flash’. A good recent example of this was a zero-day attack on South Korean organisations using a Flash Player flaw channelled through Word (CVE-2018-4878). Helped by a long sequence of Flash vulnerabilities, these attacks continue to this day. Ironically, the one group that has shown a lot of enthusiasm for embedded Office controls are cybercriminals, who took to hiding malicious content inside otherwise harmless-looking Excel, PowerPoint and Word files. Secondly, according to Microsoft barely anyone seems to be using this feature in Office 365, something it can be certain of given the visibility it has on what people are doing with its cloud platform. There are a number of reasons why this is happening now, although Microsoft could have probably have pulled the feature a while ago without upsetting too many customers.įirst and foremost is the end of support for Flash in less than two years, while Microsoft has been treating Silverlight like a bad smell since Windows 10 arrived in 2015. ![]() ![]() ![]() Last week, Microsoft announced that, starting next month, Office 356 will start blocking these for monthly subscription users, with the same thing happening for business users on the Semi Annual (SA) Channel by January 2019. If you are one of the small number of Office 365 users who enjoyed embedding Flash, Shockwave or Silverlight content inside files, time is about to run out on your unusual pastime. ![]()
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