Deep SCA and a full AppSec suite. Your business rules are the difference.

Black Duck is best known for SCA and license compliance, and its portfolio also covers SAST, IAST, DAST and Signal, an AI analysis that coding assistants reach through MCP. CybeDefend checks each change inside the agent, automatically, including against the business rules your team wrote.

What Black Duck does well

Deep SCA with reachability and automatic fix pull requests, a KnowledgeBase that Black Duck describes as the industry's most comprehensive (more than 3,000 open-source licenses), Coverity and Polaris SAST, IAST and DAST, container and binary analysis, Code Sight in the IDE, and Signal, which looks for business-logic and IDOR flaws and offers verified fixes.

Where it stops

Signal reaches AI coding assistants through MCP, so the agent has to call it; no hooks check each change automatically. Its logic analysis looks for flaws such as IDOR, not for breaches of business rules your team wrote. Polaris and Coverity are sold on quote; the published prices cover Code Sight standalone and the free Coverity Scan for open source.

Feature by feature

22 features, checked on Black Duck's own site and documentation in September 2026.

Feature	CybeDefend	Black Duck
Detection
Agent-time scanning	Yes	Partial
SAST	Yes	Yes
SCA	Yes	Yes
IaC scanning	Yes	Yes
Container scanning	Yes	Yes
Secret detection	Yes	Yes
Business logic flaws	Yes	Yes
Reachability analysis	Yes	Yes
AI-BOM: AI component inventory (EU AI Act + NIST AI RMF)	Yes	Partial
Prompt injection & LLM-misuse scanner (OWASP LLM Top 10)	Yes	Partial
AI & Agent
Agent-time (Claude Code, Cursor, Windsurf…)	Yes	Partial
IDE security copilot	Yes	Yes
AI-generated verified patches	Yes	Yes
Auto-fix → ready-to-merge PR	Yes	Yes
Security Code Knowledge Graph	Yes	No
VibeDefend: security rules distributed to AI coding agents	Yes	No
Coding agent sandbox policy (allow/deny/warn before every write)	Yes	No
Operations
CI/CD pipeline gate	Yes	Yes
Low false-positive rate	Yes	Yes
Fast self-serve setup	Yes	Partial
CybeRisk Score: 0-100 score + AI-generated weekly Top 10 brief	Yes	No
EU/US sovereign deployment	Yes	Partial

Yes NoPartial

Where we win

Reachability on both sides

Black Duck Polaris now checks whether vulnerable component methods are actually invoked and feeds that into policy and dashboards. CybeDefend's Knowledge Graph maps the same call chain from your code to the vulnerable function and ties it to the AI agent's latest change, so a newly reachable vulnerability is flagged on the line the agent just wrote.

Security Code Knowledge Graph

reachable
fixed path
vulnerable

Where the check happens

Black Duck covers a broad AppSec stack, from SCA and Coverity SAST to DAST, with Code Sight in the IDE and Signal for AI assistants. CybeDefend's scope is code-level (SAST, SCA, IaC, container, secrets and business logic), enforced at agent-time before a pull request exists. Teams that rely on Black Duck for license audits can keep doing so.

SQL injection, found while the agent writes

CWE-89

const id = parseInt(req.query.id, 10)

PR opens clean

Precision where the agent writes

Black Duck cuts dependency noise with reachability analysis, and Signal's exploitability analysis filters out low-risk findings. CybeDefend applies the same idea at the moment of writing: it surfaces a finding when the agent's change makes a vulnerable path reachable, and adds business context from the knowledge graph.

Precision filter850 raw → 1 actionable

SQLi: /api/user?id=Critical
X-Frame-Options missinglow
console.log() in prodinfo
Unused import: lodashinfo
846 similar low-noise…noise

1 actionable849 filteredIllustrative example, not a measurement

Both prioritise with reachability. CybeDefend works inside the AI agent on every change, checks that change against the business rules your team wrote, and lets you start free, without a quote.

Pricing at a glance

Our platform is free to self-host, or priced per active developer on Cloud. VibeDefend is free to try, then priced with you after a pilot.

CybeDefend

CommunityFree, on your servers
CloudPriced per active developer
EnterpriseOn quote
VibeDefendFree to try, then a price set with you

See full pricing

Black Duck

PolarisContact sales
CoverityContact sales

Competitor prices: the lowest annual list price published for the plan shown, taken from the vendor's website or its own marketplace listing and checked in September 2026. Always verify before purchasing.

Frequently Asked Questions

Is Black Duck better than CybeDefend for license compliance?

Black Duck describes its KnowledgeBase as the industry's most comprehensive, with more than 3,000 open-source licenses. CybeDefend includes license compliance as part of its SCA. Where license compliance at enterprise scale is the primary need, Black Duck remains the specialist choice.

Can CybeDefend replace Black Duck for SCA?

For most development teams, yes. CybeDefend's SCA covers CVE detection, license risk, and reachability scoring. For M&A-grade license audits or regulatory environments requiring Black Duck's specific report formats, evaluate on a case-by-case basis.

What is Black Duck's pricing model?

Polaris, Coverity and Black Duck SCA are sold on quote. Black Duck does publish a price for Code Sight standalone, $500 per developer with a 10-developer minimum and a free trial, and Coverity Scan is free for registered open-source projects. CybeDefend Platform is free to self-host or priced per active developer on Cloud, and VibeDefend is free to try, then priced with you after a pilot.

Install VibeDefend

One command wires every coding agent on this machine to your rules and your guards.

npx -y @cybedefend/vibedefend@latest install