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3 Obsidian Security Alternatives Ranked by Real Users — Free Picks Included (2026)

Explore 3 alternatives to Obsidian Security — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 3 best free Obsidian Security alternatives at a glance

Quick answer

Our pick of free saas security posture management (sspm) software alternatives to Obsidian Security: AlienVault USM (from AT&T Cybersecurity), Nudge Security and Valence Security. AlienVault USM (from AT&T Cybersecurity) leads the list with a 4.4★ rating from real users. Compare all 3 on rating and pricing below.

Finding a strong Obsidian Security alternative is mostly about knowing which tools deliver. These 3 saas security posture management (sspm) software free alternatives do, ranked by SpotScore, which combines real-user satisfaction with market presence, plus star ratings and pricing. We vet each one. Skim the table, then read the breakdowns below.

ProductSpotScoreRatingPricingBest for
AlienVault USM (from AT&T Cybersecurity)Streamline security, protect your enterprise everywhere.—★★★★☆ 4.4Freefrom $1,075.00 per monthteams of all sizes
Nudge SecurityShadow SaaS and AI discovery with automated governance nudges—Not yet ratedFreeFree Trial · Quotation Basedmid-size & enterprise teams
Valence SecuritySaaS risk remediation across configuration, identity and integrations—Not yet ratedFreeFreemium · Subscriptionteams of all sizes
AlienVault USM (from AT&T Cybersecurity)

AlienVault USM (from AT&T Cybersecurity)

Streamline security, protect your enterprise everywhere.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.4

Add to compare

What is AlienVault USM (from AT&T Cybersecurity)?

Introducing AlienVault USM, the cutting-edge Unified Security Management (USM) platform from AT&T Cybersecurity. USM Anywhere revolutionizes security management by offering a cloud-based solution that streamlines threat detection, incident response, and compliance management across cloud, ...

Read more about AlienVault USM (from AT&T Cybersecurity)
Free TrialTry Free →
Nudge Security - Logo

Nudge Security

Shadow SaaS and AI discovery with automated governance nudges

Best for: Mid-market · Enterprise

Start Free Trial

Add to compare

What is Nudge Security?

Nudge Security discovers every SaaS and AI application in use across an organisation — accounts, identities and integrations — typically within minutes of connecting, then assesses each for data risk, misconfiguration, identity hygiene problems and supply chain exposure. Rather than only ...

Read more about Nudge Security
Free TrialTry Free →·

Nudge Security offers custom pricing plan

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Valence Security - Logo

Valence Security

SaaS risk remediation across configuration, identity and integrations

Best for: SMB teams · Mid-market · Enterprise

Try for Free

Add to compare

What is Valence Security?

Valence is an advanced Kubernetes performance management tool that utilizes machine learning to automatically optimize and resize containers for improved performance and cost efficiency. With Valence, users can reduce costs by 40%, boost performance by 70%, and guarantee service-level ...

Read more about Valence Security

Starts from $20/Month, also offers free forever plan

Who competes with Obsidian Security?

There are 3 direct Obsidian Security competitors in SaaS Security Posture Management (SSPM) Software. The ones that come up most often are AlienVault USM (from AT&T Cybersecurity), Nudge Security and Valence Security. Each is compared against Obsidian Security on rating, pricing and feature coverage below.

What else works like Obsidian Security?

Searches for "sites like Obsidian Security" and "apps like Obsidian Security" land on the same shortlist as "Obsidian Security alternatives" — the 3 options below cover both, whether you want a like-for-like replacement or something lighter.

What sets each pick apart

AlienVault USM (from AT&T Cybersecurity)Best for teams of all sizes
Nudge SecurityBest for mid-size & enterprise teams
Valence SecurityBest for teams of all sizes

Choosing a Obsidian Security alternative

How the 3 saas security posture management (sspm) software free alternatives compare, plainly: 3 offer a free tier; and paid plans run $1075, with AlienVault USM (from AT&T Cybersecurity) the cheapest entry point.

Our methodology.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Obsidian Security are AlienVault USM (from AT&T Cybersecurity) (4.4★), Nudge Security, Valence Security. Compare all 3 alternatives side-by-side above.

When evaluating alternatives to Obsidian Security, prioritize: Threat Protection, Monitoring, User Activity Monitoring, Third-party Integration, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Obsidian Security is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to pick the best Obsidian Security alternative

How to migrate from Obsidian Security

To switch off Obsidian Security without disruption, handle your data first: export it and test that the new tool imports it cleanly. Verify your key workflows still function, pilot the move on a free plan or trial, and keep Obsidian Security active until the cutover is complete.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].