"Exchange" Related Articles

Microsoft reveals how hackers breached its Exchange Online accounts
Uncategorized

Microsoft reveals how hackers breached its Exchange Online accounts

On January 12, 2024, Microsoft discovered that Russian hackers breached its systems in November 2023 and stole email from their...
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Securities and Exchange Commission Cyber Disclosure Rules: How to Prepare for December Deadlines
Uncategorized

Securities and Exchange Commission Cyber Disclosure Rules: How to Prepare for December Deadlines

The U.S. Securities and Exchange Commission's new rules around disclosure of cybersecurity incidents go into effect on Dec. 15 for...
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Microsoft extends Purview Audit log retention after July breach
Uncategorized

Microsoft extends Purview Audit log retention after July breach

Microsoft is extending Purview Audit log retention as promised after the Chinese Storm-0558 hacking group breached dozens of Exchange and...
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Microsoft expands access to cloud logging data for free after Exchange hacks
Security Incidents

Microsoft expands access to cloud logging data for free after Exchange hacks

Microsoft is expanding access to additional cloud logging data for customers worldwide at no additional cost, allowing easier detection of...
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Exchange Online to block emails from vulnerable on-prem servers
Cloud Security

Exchange Online to block emails from vulnerable on-prem servers

Microsoft is introducing a new Exchange Online security feature that will automatically start throttling and eventually block all emails sent...
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Microsoft Urges Customers to Secure On-Premises Exchange Servers
Enterprise Security

Microsoft Urges Customers to Secure On-Premises Exchange Servers

Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such...
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Microsoft 365 outage takes down Teams, Exchange Online, Outlook
Enterprise Security

Microsoft 365 outage takes down Teams, Exchange Online, Outlook

Microsoft is investigating an ongoing outage impacting multiple Microsoft 365 services after customers have reported experiencing connection issues."We're investigating issues...
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New Microsoft Exchange exploit chain lets ransomware attackers in (CVE-2022-41080)
Ransomware

New Microsoft Exchange exploit chain lets ransomware attackers in (CVE-2022-41080)

Ransomware-wielding attackers are using a new exploit chain that includes one of the ProxyNotShell vulnerabilities to achieve remote code execution...
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Rackspace Hosted Exchange service outage caused by security incident
Security Incidents

Rackspace Hosted Exchange service outage caused by security incident

Cloud computing company Rackspace has suffered a security breach that has resulted in a still ongoing outage of their Hosted...
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Microsoft updates mitigation for ProxyNotShell Exchange zero days
Vulnerabilities

Microsoft updates mitigation for ProxyNotShell Exchange zero days

Microsoft has updated the mitigations for the latest Exchange zero-day vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082, also referred to ProxyNotShell.Reported...
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WARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation
Vulnerabilities

WARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation

Security researchers are warning of previously undisclosed flaws in fully patched Microsoft Exchange servers being exploited by malicious actors in...
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Microsoft will disable Exchange Online basic auth next month
Enterprise Security

Microsoft will disable Exchange Online basic auth next month

Microsoft warned customers today that it will finally disable basic authentication in random tenants worldwide to improve Exchange Online security...
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