Is it safe to open Excel spreadsheets coming from trusted, known sender during next days?
The answer is yes and no. If your anti-virus software is updated it will protect you. If you want protection of one hundred percent you can save spreadsheets first and scan them with your AV software. E-mail messages used in attack mentioned has been spoofed, however. So you can’t trust that the sender information included to message Excel file attached is truthful. If You are not sure, You can always call to the sender if e-mail including Excel attachments arrives unexpectedly. Additionally, it is possible to include malicious Microsoft Excel files as embedded files to Microsoft Word files, or Microsoft Power Point files.
