For security reasons, Microsoft has decided to block macros included in downloaded Office files. The publisher hopes to prevent the transmission of malware through its office suite.
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Microsoft has just announced its decision to completely block VBA macros in Office files from the Internet. Macros, which are essentially small executable programs, have long been abused to infect victim machines. With this new approach, Microsoft hopes to prevent the spread of malware.
Currently, macros in files from the web are already blocked by default. However, the software just displays a yellow banner with a button to reactivate the macros. This allows many viruses to infiltrate computers targeted, despite security measures. According to Kevin Beaumont, a cybersecurity specialist and former Microsoft employee, macros are responsible for 25% of computer infections. ransomware.
Macros can be enabled if needed
With the new policy of Microsoft, instead of the yellow banner, the software will display a red banner with a link to a page that explains the danger of macros. However, it will still be possible to activate the macros of the downloaded files if necessary. However, the operation should put off most users. You will need to close the document, right-click on the file and select “Properties”, then check the “Unblock” box and open the file again.
This change will only affect computers using the operating system Windows. The update will be available to subscribers first Office 365then in a second step in all versions of Office since Office 2013.
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