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Integration aims to help organizations protect and recover identity systems targeted by ransomware and account-takeover attacks.
03/05/2026
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News
Microsoft's Defender Security Research Team has identified a series of phishing campaigns in which an unknown attacker used digitally signed malware masked as common workplace applications to deploy remote monitoring and management tools as persistent backdoors on targeted systems.
03/05/2026
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New capability restricts user delegation SAS tokens to specific Microsoft Entra identities for tighter access governance.
02/26/2026
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Upcoming changes require administrators to update server configurations to maintain trusted boot integrity.
02/24/2026
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Updated guidance provides recommended configurations to strengthen server security and reduce risk exposure.
02/24/2026
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News
Microsoft this week moved forward on two parallel tracks of its Windows strategy, releasing a new Windows 11 Beta Channel preview while unveiling an enterprise-focused 5G laptop management partnership with Ericsson aimed at simplifying connectivity oversight for IT departments.
02/18/2026
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News
Microsoft MVP and consultant Ben Stegink is urging IT teams to reassess how they protect Microsoft 365 data, arguing that many enterprise backup strategies have not kept pace with the service's expanding footprint, configuration complexity and evolving threat landscape.
02/12/2026
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New capability expands long-term retention and cost-optimization options for security telemetry in Microsoft Sentinel data lake.
02/11/2026
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News
Microsoft's February Patch Tuesday release addresses 58 vulnerabilities across Windows, Office and several other products, with six zero-day flaws highlighting the monthly release.
02/11/2026
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New research outlines how attackers bypass safeguards and why AI security must be treated as a system-wide problem.
02/09/2026
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News
Microsoft's Defender Security Research Team has observed threat actors actively exploiting internet-exposed SolarWinds Web Help Desk instances in multi-stage intrusions that led to lateral movement toward high-value assets within targeted organizations.
02/09/2026
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New connector brings Copilot activity data into Microsoft Sentinel to improve visibility, detection and investigation.
02/04/2026
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Posey's Tips & Tricks
Microsoft is adding security warning messages in Teams for organizations using default configurations, a move the company says is part of its Secure By Default initiative and aimed at increasing user awareness of potentially risky files and links without changing existing enforcement policies.
02/04/2026
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News
Microsoft announced a leadership shake-up Wednesday that will see Hayete Gallot return to the company as executive vice president of security, replacing Charlie Bell, who is shifting into a new role focused on Microsoft’s Quality Excellence Initiative.
02/04/2026
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News
Microsoft issued an out-of-band security update on Jan. 26 to address CVE-2026-21509, a Microsoft Office vulnerability the company said was being actively exploited at the time of disclosure.
02/04/2026
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Updated guidance helps organizations migrate storage workloads away from legacy TLS versions ahead of stricter security enforcement.
02/03/2026
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Posey's Tips & Tricks
Immutable backups can serve as a long-term safety net beyond ransomware protection, preserving critical data that may fall outside traditional backup retention windows and go unnoticed until it is too late.
02/03/2026
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News
The 2026 Cloud Security Report from Fortinet finds cloud security teams are less concerned about whether cloud platforms can be secured and more focused on whether their defenses can keep pace with the speed of change.
02/02/2026
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A recent Exchange Online disruption tied to Microsoft network changes underscores how deeply businesses still rely on email -- and how few practical options organizations have to protect critical workflows when cloud services fail.
01/28/2026
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News
Ransomware attacks continued to climb in 2025 as attackers increasingly timed operations around year-end staffing gaps and shifted away from traditional file encryption.
01/23/2026
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New record-and-playback platform aims to reduce complexity and improve reliability in Windows driver development.
01/21/2026
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News
Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop and Windows 365 connections that emerged after the company's January 2026 security update.
01/21/2026
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News
Microsoft released a pair of security and compliance updates this week designed to help IT administrators strengthen protections across Microsoft 365 Apps for enterprise and simplify app governance in Teams.
01/20/2026
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New capability strengthens security by tying SAS access to Azure AD identities instead of account keys.
01/16/2026
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News
Microsoft said it has disrupted RedVDS, a global cybercrime subscription service used by financially motivated attackers to carry out business email compromise, mass phishing and account takeover campaigns.
01/15/2026