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IS Decisions Blog
Insights on MFA and access security for Windows Active Directory.
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Multi-factor authenticationHow to use YubiKey on RDP sessions
With UserLock, you can use a YubiKey to secure Remote Desktop Protocol (RDP) connections.
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Multi-factor authenticationSecure air-gapped networks with MFA and access controls
An air-gapped network has no physical connection to the public internet or to any other local area networks or systems that are not themselves air gapped. Here’s how UserLock enables secure multi-factor authentication (MFA) and access controls on air-gapped networks.
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NewsUserLock 13.1 (beta): Release notes
UserLock 13.1 (beta) brings support for FIDO2 authentication, UAC session controls, policy cloning, plus a pile of things that make your job easier.
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Blog posts
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Active DirectoryModern identity architecture still works AD-first for many
Vendors sell cloud-first identity architecture, but the reality for many is AD-first. Here's why that matters.
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IT securityBig tech can't solve every problem: Why cybersecurity still needs specialized tools
Should organizations put their faith in specialized best of breed tools built to solve a specific problem or opt for more general end-to-end suites?
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NewsMSP Licensing Platform: Redesigned for how MSPs work
The MSP licensing platform for UserLock and FileAudit has been redesigned. More billing visibility, easier client management, and onboarding built for how MSPs work.
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Active DirectoryActive Directory hardening: Best practices
This guide to Active Directory hardening is hands-on and pragmatic, based on insights from decades of supporting Active Directory IT teams.
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Active DirectoryActive Directory user activity monitoring: What to track and how
Monitoring user activity in Active Directory is one of the most direct security controls available to IT teams.
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Active DirectoryPass-the-Hash attacks explained
NTLM bypass turns Active Directory authentication into the back door for Pass-the-Hash (PtH) attacks.
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Active DirectoryKerberoasting in Active Directory: How it works and how to stop it
Kerberoasting is one of the most effective post-compromise techniques used against Active Directory. Here's how it works and what defenders can do about it.
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Active DirectoryHow the gap between on-premises Active Directory and the cloud became hybrid identity security's blind spot
Most organizations secure the cloud and on-premises AD, but not the gap between them. That's now hybrid identity security's biggest blind spot.
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Active DirectoryWhy hybrid identity is the long game, not a stepping stone to the cloud
Hybrid identity isn't a phase. For many organisations, it's the future.
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Active DirectoryThe future of Active Directory: Why it's not going anywhere soon
Here's why the future of Active Directory looks nothing like the industry expected.
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NewsFileAudit 6.7: A refreshed interface and alerts to prevent silent reporting gaps
The latest FileAudit release brings a more modern interface, plus disk space alerts for SQLite databases.
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Active DirectoryCertificate-based authentication for Active Directory: Why it matters more as NTLM is deprecated
Certificate-based authentication (CBA) can replace NTLM in certain use cases. Here's how UserLock helps.
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Multi-factor authenticationMFA for African financial institutions: Meeting compliance requirements on-premises
Compliance requirements are driving African financial institutions to deploy MFA across hybrid Active Directory.
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Active DirectoryActive Directory vs Entra ID
How to compare Active Directory vs. Entra ID when Active Directory is still your primary identity store.
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Multi-factor authenticationBeyond passwords: how the Tycoon 2FA phishing kit works
Tycoon 2FA phishing doesn't just bypass the logon, it exposes post-authentication as the real battleground.
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Multi-factor authenticationSecuring Active Directory against ransomware in the public sector
As ransomware attacks on the public sector rise, securing Active Directory is where good defense starts.
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Active DirectoryIdentity security is the perimeter: Overcoming Active Directory's pain points
Modernizing identity security is no small feat for on-premise and hybrid Active Directory environments.
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Data securityOn-premise networks and data sovereignty: What you need to know in 2026
Here's how to keep data sovereignty and security simple in on-premise Active Directory networks.
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Multi-factor authenticationMFA for data centers: Securing access to Windows data center applications
How data centers providing remote client access to Windows data center applications use UserLock MFA.
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NewsAries Global acquires IS Decisions to expand its identity & access management capabilities for the hybrid enterprise
Aries Global announces the acquisition of IS Decisions, a leading developer of access security for Active Directory.
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Multi-factor authenticationHow to secure client access to custom RD Web applications
Software developers use UserLock to secure client access to custom applications running on RD Web.
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Multi-factor authenticationPasswordless authentication: How Windows Hello for Business MFA works
Here's what you need to know about Windows Hello for Business (WHfB) and MFA in Active Directory environments.
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Access managementControlling shadow access: Why concurrent session control is fundamental
Why controlling concurrent sessions in Active Directory is a fundamental security control.
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Multi-factor authenticationRetail ransomware attacks often start in Active Directory: Here’s how to defend it
To deploy ransomware attacks on retail, attackers exploit weaknesses in on-premises Active Directory security.
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