Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the inbox out in small, repeated batches and routing it through Dropbox and OneDrive so the traffic blended into normal cloud activity. Symantec and Carbon Black’s Threat Hunter Team reported the campaign this…
Tag: mailbox
AI, Apps, Global Security News
New Wave Of Phishing Emails with SVG Files, (Tue, Jun 2nd)
For a few days, my SANS ISC mailbox is flooded with emails that delivers SVG files. An SVG (“Scalable Vector Graphic”) is a web-friendly vector file format used for graphics and icons. No URL in the body, just “an image”, that’s the perfect way to deliver some malicious content. This isn’t the first time that we…
AI, Global Security News
Sometimes changing the password on your email mailbox isn’t enough
Have you ever taken a look at your Microsoft 365 mailbox rules? If not, it might be worth a few minutes of your time. Because newly released research reveals that hackers may already have beaten you to it. Read more in my article on the Fortra blog.
AI, Global Security News
Mailbox Rule Abuse Emerges as Stealthy Post-Compromise Threat
Attackers are abusing Microsoft 365 mailbox rules to hide activity, exfiltrate data and retain access after account compromise, researchers warn
AI, Global Security News
Microsoft still working to fix Exchange Online mailbox access issues
Microsoft is investigating and working to resolve Exchange Online mailbox access issues that have intermittently affected Outlook mobile and macOS users for weeks. […]
AI, Global Security News
Broken Phishing URLs, (Thu, Feb 5th)
For a few days, many phishing emails that landed into my mailbox contain strange URLs. They are classic emails asking you to open a document, verify your pending emails, … But the format of the URLs is broken! In a URL, parameters are extra pieces of information added after a question mark (?) to tell…