Google is notifying Gmail users that the webmail's Basic HTML view will be deprecated in January 2024, and users will require modern browsers to continue using the service.
Kosi Goodness Simon-Ebo, a 29-year-old Nigerian national extradited from Canada to the United States last April, pleaded guilty to wire fraud and money laundering through business email compromise (BEC).
A new sextortion scam is making the rounds that pretends to be an email from the adult site YouPorn, warning that a sexually explicit video of you was uploaded to the site and suggesting you pay to have it taken down.
An ongoing phishing campaign has been underway since at least April 2023 that attempts to steal credentials for Zimbra Collaboration email servers worldwide.
A phishing campaign was observed predominantly targeting a notable energy company in the US, employing QR codes to slip malicious emails into inboxes and bypass security.
Hackers exploited a zero-day vulnerability in Salesforce's email services and SMTP servers to launch a sophisticated phishing campaign targeting valuable Facebook accounts.
Security researchers are warning of increased phishing activity that abuses Google Accelerated Mobile Pages (AMP) to bypass email security measures and get to inboxes of enterprise employees.
Microsoft shared a workaround for Outlook Desktop blocking attempts to open IP address or fully qualified domain name (FQDN) hyperlinks after installing this month's Office security updates.
Microsoft is investigating an ongoing Exchange Online outage preventing customers from sending emails and triggering 503 errors on affected systems.
Email and network security firm Barracuda is working to fix an ongoing issue that triggers invalid login errors and prevents Email Gateway Defense users from signing into their accounts.
Microsoft is investigating an ongoing issue preventing Outlook.com users from searching their emails and triggering 401 exception errors.
Network and IT admins have been dealing with ongoing Microsoft 365 issues this week, reporting that some end users cannot use Microsoft Outlook or other Microsoft 365 apps.
A suspected pro-China hacker group tracked by Mandiant as UNC4841 has been linked to data-theft attacks on Barracuda ESG (Email Security Gateway) appliances using a now-patched zero-day vulnerability.
Online sellers are targeted in a new campaign to push the Vidar information-stealing malware, allowing threat actors to steal credentials for more damaging attacks.
A previously unknown campaign involving the Horabot botnet malware has targeted Spanish-speaking users in Latin America since at least November 2020, infecting them with a banking trojan and spam tool.
A new ransomware operation is hacking Zimbra servers to steal emails and encrypt files. However, instead of demanding a ransom payment, the threat actors claim to require a donation to charity to provide an encryptor and prevent data leaking.
Microsoft has addressed a known issue affecting Outlook for Microsoft 365 customers that prevented them from accessing group mailboxes and calendars using the Outlook desktop client.
Microsoft is working on fixing an issue affecting some Outlook for Microsoft 365 customers and preventing them from accessing emails and their calendars.
A Russian hacking group tracked as TA473, aka 'Winter Vivern,' has been actively exploiting vulnerabilities in unpatched Zimbra endpoints since February 2023 to steal the emails of NATO officials, governments, military personnel, and diplomats.
Microsoft is introducing a new Exchange Online security feature that will automatically start throttling and eventually block all emails sent from "persistently vulnerable Exchange servers" 90 days after the admins are pinged to secure them.