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Continuous Security Testing That Keeps Pace With Your Developers

Your team ships every day. A test from six months ago covers an application that no longer exists.

Sybil watches your code and/or your live attack surface for changes every day, then tests what changed on the schedule you set. No source code required.

No manual kickoff. No waiting for the next pentest.

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See continuous testing coverage across every application.

Sybil Continuous tab for Acme Retail App showing weekly auto-run testing, with GitHub code change areas and attack surface changes selected for the next test.

Trusted by security & engineering teams

Continuous security testing vs. the alternatives

vs. continuous scanning

A scanner reruns the same signature checks on a loop and flags anything that might be a problem, leaving your team to sort through the noise. Continuous security testing looks at what changed and proves what's exploitable.

vs. continuous monitoring

Monitoring watches and alerts, but it can't tell you whether a vulnerability is exploitable. Continuous security testing validates each finding by exploiting it, so your team only sees what's real.

vs. "continuous" human services

A retainer with human testers still waits on researcher availability, so coverage happens when someone's free. An autonomous system holds whatever cadence you set and tests on demand in between.

vs. bug bounty

Bug bounty programs pay for volume, and triage and severity disputes can cost your team more time than the findings are worth. Continuous security testing validates exploitability before anything reaches you.

Why your current testing falls short

Security testing wasn't built for how fast software ships today. Coverage goes stale between tests, changes go live without anyone testing them, and keeping up takes people most teams don't have.

Testing is outdated as soon as you ship

A pentest captures one version of your application at one point in time. Your applications change every week, so every release after it adds surface area that test never covered.

Your attack surface changes frequently

New endpoints, features, and services go live across your applications, including the ones your team doesn't build. Most of it won't be tested until the next annual assessment.

Lean teams can't run continuous testing by hand

Keeping testing current means someone has to spot what changed, scope a test, kick it off, and chase the results, every week. Most security teams don't have that person to spare.

More findings doesn't mean more clarity

Security tools can surface more potential vulnerabilities than your team can reasonably investigate. Without validation, you're left figuring out what's actually exploitable and what to fix first.

Two ways to continuously test with Sybil

Use one path or both. Sybil watches what's changing across your live attack surface and in the code your team merges, checks as often as daily, and tests on the schedule you set.

Continuous Coverage for a black box application with GitHub off, showing new endpoints Sybil found in four attack surface areas.

Black box: no code access needed

Sybil re-crawls your live applications as often as daily, compares each crawl to the last, and flags new and changed endpoints. Crawl as an anonymous visitor to see what attackers see, or as any user role to test what's behind the login. Start with a URL and cover your whole footprint without connecting a repo.

Three code change areas, Billing, Account access, and Checkout, each ranked by risk with Sybil's explanation of why it is worth testing.

White box: connect your code

Connect your repositories and Sybil turns every merge into a test plan. Sybil reads what changed, ranks each area by risk, then tests it in your live app with your source code as context, with a focus on business logic and access control.

Either way, findings land where your engineers already work:

Findings push to Linear, Jira, or GitHub Issues

Apply fixes with the AI coding assistants your team already uses

Click Retest and Sybil confirms the fix in under an hour

A human tester can't re-crawl every app every day or hold a weekly cadence across your whole portfolio without the cost climbing every time you add one. Automating both is what makes continuous coverage possible.

Continuous security testing with RunSybil

Cycle history for Acme Portal listing each weekly cycle, what changed, what Sybil tested, and a repeat finding first found in August.

Every cycle, Sybil learns more about your application, drawing on past runs and your knowledge base to give its agents richer context. That memory is what lets each test go deeper instead of starting over.

What you get every cycle:

A coverage view of exactly what Sybil tested, and what it didn't

Repeat findings that show when a bug was first discovered and when it came back

A record of what changed and what Sybil tested, even in a week with no findings

A full report with an executive summary, OWASP mapping, CVSS 3.1 scores, and CWE IDs

“The real shift left is in findings becoming detection patterns powering the appsec flywheel where we push less vulnerabilities and we build confidence as there is continuous and deeper coverage of our attack surface,”
‍

Brad Freer

Senior Security Engineer at Carta

Carta is building continuous testing into its AppSec program with Sybil.

You decide where a person steps in

Automated testing only helps if you trust what it will do. Every team handles oversight differently, so Sybil lets you choose where testing pauses for review and where it runs hands-off.

QUEUE A DRAFT

Sybil packages each cycle's test as a draft and notifies you. Nothing runs until someone on your team starts it. This is the default.

JUST RUN IT

Sybil packages the test and starts it automatically.

EDIT THE PLAN

Deselect any change area, exclude whole repositories, or adjust focus areas before a test runs.

STAYS IN SCOPE

A recommendation tells Sybil where to focus. It never widens what Sybil is allowed to test.

Faq

Frequently asked questions

What is continuous security testing?

Continuous security testing checks your applications on an ongoing basis instead of once or twice a year. Sybil watches for changes in your code and on your live attack surface as often as daily, tests what changed on the schedule you set, and validates every finding as exploitable before it reaches your team.

Is continuous security testing the same as continuous scanning or monitoring?

No. Continuous scanning reruns the same signature checks and flags anything that might be a problem. Continuous security testing actively tests what changed and proves which findings are exploitable, so your team gets validated findings instead of another queue of alerts. Monitoring alerts you to changes but can’t confirm a weakness is exploitable, while Sybil validates each finding by exploiting it.

How is continuous security testing different from penetration testing?

A penetration test checks one version of your application at one point in time. Continuous security testing repeats that attacker-style testing on the schedule you set and focuses on what changed, so new code and new endpoints don’t wait for the next engagement. You’ll also hear this called continuous penetration testing, and Sybil validates every finding as exploitable.

Do I need to connect my source code?

No. In black box mode, Sybil re-crawls your live applications, flags new and changed endpoints, and tests them starting from just a URL. Crawl as an anonymous visitor or as any user role. Connect GitHub to add white box change testing, or use both.

Does continuous security testing replace penetration testing?

Sybil can take over recurring manual web application penetration testing and keep testing between releases. It doesn’t replace every kind of human testing, since hardware, air-gapped systems, and specialized scenarios still need people.

How often should continuous security testing run?

Sybil checks your code and live attack surface as often as daily. Tests then run weekly, monthly, or quarterly, whichever you set, with on-demand runs and testing windows available. If nothing has changed, no test is created, and the review is still logged.

Is it safe to run continuous security testing on a live application?

Testing stays inside the scope you define, and Sybil’s recommendations never widen it. By default, each test waits as a draft for your team’s approval, and you can deselect areas or exclude repos before it runs. You can also set tests to start automatically.

Is continuous security testing the same as penetration testing as a service?

No. Penetration testing as a service usually delivers human-led tests through a portal, so timing still depends on tester availability. Continuous security testing with Sybil runs on the cadence you set and on what changed, so there is nothing to schedule.

The autonomous offensive security platform.

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