Google has officially announced it's ceasing support for Usenet groups on its Google Groups platform, a move partly attributed to the platform's increasing struggle with spam content.
A new Python project called 'Wall of Flippers' detects Bluetooth spam attacks launched by Flipper Zero and Android devices.
Microsoft warns that financially-motivated threat actors are using OAuth applications to automate BEC and phishing attacks, push spam, and deploy VMs for cryptomining.
Recent Flipper Zero Bluetooth spam attacks have now been ported to an Android app, allowing a much larger number of devices to implement these annoying spam alerts.
A custom Flipper Zero firmware called 'Xtreme' has added a new feature to perform Bluetooth spam attacks on Android and Windows devices.
Microsoft has disabled a bad anti-spam rule flooding Microsoft 365 admins' inboxes with blind carbon copies (BCC) of outbound emails mistakenly flagged as spam.
Microsoft is investigating Exchange Online mail delivery issues causing "Server busy" errors and delays when receiving emails from outside organizations.
Microsoft urged Microsoft 365 email senders this week to authenticate outbound messages following new anti-spam rules for bulk senders announced earlier this week by Google.
Google will introduce new sender guidelines in February to bolster email security against phishing and malware delivery by mandating bulk senders to authenticate their emails and adhere to stricter spam thresholds
The Flipper Zero portable wireless pen-testing and hacking tool can be used to aggressively spam Bluetooth connection messages at Apple iOS devices, such as iPhones and iPads.
Hotmail users worldwide have problems sending emails, with messages flagged as spam or not delivered after Microsoft misconfigured the domain's DNS SPF record.
The Knight ransomware is being distributed in an ongoing spam campaign that pretends to be TripAdvisor complaints.
Websites of multiple U.S. universities are serving Fortnite and 'gift card' spam. Researchers observed Wiki and documentation pages being hosted by universities including Stanford, MIT, Berkeley, UMass Amherst, Northeastern, Caltech, among others, were compromised.
A new Python-based credential harvester and SMTP hijacking tool named 'Legion' is being sold on Telegram, allowing cybercriminals to automate attacks against online email services.
The Emotet malware is now distributed using Microsoft OneNote email attachments, aiming to bypass Microsoft security restrictions and infect more targets.
The Sandbox blockchain game is warnings its community that a security incident caused some users to receive fraudulent emails impersonating the game, trying to infect them with malware.
According to reports from an increasing number of Microsoft customers, Outlook inboxes have been flooded with spam emails over the last nine hours because email spam filters are currently broken.
Google Ads invites are being abused to deliver messages promoting spam and sex websites to users otherwise not necessarily using Google Ads or related products.
An active extortion scam is targeting website owners and admins worldwide, claiming to have hacked their servers and demanding $2,500 not to leak data.
Microsoft says a threat actor gained access to cloud tenants hosting Microsoft Exchange servers in credential stuffing attacks, with the end goal of deploying malicious OAuth applications and sending phishing emails.