Many are the ones who have fallen head over heels for a phishing campaign that has caused errors on their PC. There are all kinds of them, but those that reach you through an email message with an attachment are very dangerous. Especially those that seem to be the most harmless, since inside they can hold a serious problem. We talk about malware hidden in an Excel sheet which will have an extra security to avoid it.
Microsoft Will Avoid Malware Covert in Excel
Excel is one of the most versatile tools in the entire Office 365 package. Yes, it is true that at first glance it seems more like a sheet to perform complex calculations, develop graphs or interactive lists than to control the stock of a store, for example , be carried efficiently. There are very specific functions that are very helpful such as macros, which can save a sequence of malware.
You may not believe it, but for years it has been a common practice and all because of Take advantage of Excel 4.0 XLM macros. They could deliver a malicious program onto the targeted computer, but now Microsoft will disable this feature by default. This assumes that users will not be able to use this feature unless they themselves or the administrator of the order. This is not to say that macros will not be activated as Microsoft recommends that people use VBA macros.
I thought the Messiah would come faster than this. Microsoft to disable macro by default in Excel 4.0 pic.twitter.com/BOvBrxtCI6
– Omri Segev Moyal (@GelosSnake) October 7, 2021
VBA macros will prevent malware
As we said, you can still use Excel macros, but in a different extension than 4.0 XLM. The reason is the security offered by the VBA version compared to the previous one, which is made to test for detection of malware. That is to say, anyone who uses a VBA macros to introduce malware will be disabled by the antivirus since it will recognize it when analyzing the file. Of course, as we always tell you, do not trust emails with unknown senders who send you an Excel just because it may be infected.