Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address
“Ghost-Sender" is the result of a widespread misconfiguration, according to researchers, and evidence indicates it's being actively abused in the wild.
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“Ghost-Sender" is the result of a widespread misconfiguration, according to researchers, and evidence indicates it's being actively abused in the wild.
Negative feedback sinks Redmond's plan to cap outbound email recipients Microsoft has backed away from planned changes to Exchange Online after customers objected to limits designed to curb outbound email abuse.…
Cybersecurity researchers have called attention to a novel phishing campaign that leverages corrupted Microsoft Office documents and ZIP archives as a way to bypass email defenses
The trend toward remote working over the last several years has bred all kinds of tools intended to help us improve productivity and facilitate easier, faster digital communications with colleagues. So why does workplace productivity still feel impossible to achieve? Unfortunately, email—one of the most integral vehicles for business communication—is also one of the biggest drains on employee time and energy. According to data from Microsoft, employees spend as much as 8.8 hours each week checking and responding to email. And while many email communications are essential, one recent report found that nearly half of all emails are spam or other unwanted mail.
AT&T's email servers are blocking connections from Microsoft 365 due to a "high volume" spam wave originating from Microsoft's service. [...]
Microsoft has announced plans to fight spam by imposing a daily Exchange Online bulk email limit of 2,000 external recipients starting January 2025. [...]
Microsoft has confirmed that some Outlook.com users are experiencing issues with emails being blocked and marked as spam when trying to email Gmail accounts. [...]
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. [...]
Hotmail users worldwide have problems sending emails, with messages flagged as spam or not delivered after Microsoft misconfigured the domain's DNS SPF record. [...]
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. [...]
Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam
Windows backdoor shows off some interesting techniques Cyber-criminals are using compromised Microsoft Exchange servers to spam out emails designed to infect people's PCs with IcedID,…
If you received a link to LinkedIn.com via email, SMS or instant message, would you click it? Spammers, phishers and other ne'er-do-wells are hoping you will, because they've long taken advantage of a marketing feature on the business networking site which lets them create a LinkedIn.com link that bounces your browser to other websites, such as phishing pages that mimic top online brands (but chiefly Linkedin's parent firm Microsoft).