Over the last decade, "Penetration Testing as a Service" (PTaaS) has grown from a niche idea into a mainstream buying option. Platforms promise faster starts, real-time findings and continuous testing. Traditional consultancies point to deeper engagements and more experienced teams. Which is right for you depends less on the label and more on how you ship software, what you need to prove, and who actually does the testing.
What is PTaaS?
PTaaS delivers penetration testing through a software platform. You typically scope and schedule tests in a web portal, testers post findings to the platform as they discover them, your developers discuss findings with testers directly, and fixes can be retested on demand. Many PTaaS offerings bundle attack-surface management, automated scanning and integrations with Jira, GitHub or Slack.
Crucially, a reputable PTaaS still uses human testers. The platform changes how testing is ordered and delivered — not whether a human does the work. Be wary of products that call fully automated scanning "PTaaS".
What is a traditional pentest?
A traditional engagement is project-based: a scoping call, a statement of work, a fixed testing window, a PDF report, a debrief and a retest. The same small team usually works on your environment from start to finish, which can mean more context and deeper chained findings.
Comparison
| PTaaS | Traditional consultancy | |
|---|---|---|
| Start time | Often days | Often 2–6 weeks |
| Findings delivery | Real time in a portal | Final report (criticals flagged immediately) |
| Developer collaboration | Built in (chat, tickets) | Calls and email |
| Retesting | On demand, per finding | Scheduled retest window |
| Testing team | Platform-assigned; may rotate | Dedicated team throughout |
| Best for | Frequent releases, SaaS, compliance cadence | Complex environments, red teams, regulated deep-dives |
| Pricing | Credits or subscriptions | Fixed price or day rate |
| Report for auditors | Generated from the platform | Bespoke document |
When PTaaS is the better choice
- You ship frequently and want to test new features continuously rather than once a year
- Your engineering team prefers findings in their existing tools
- You need several smaller tests across the year for SOC 2, ISO 27001 or customer requests
- You value speed to start over a dedicated team
When a traditional engagement is the better choice
- Complex, interconnected environments where context matters — large internal networks, OT, hybrid identity
- Red team or adversary simulation work
- Regulated testing with specific methodology and reporting requirements
- You want named, senior testers who know your environment year after year
Questions to ask either type of provider
- Who are the testers — employees, contractors or a crowd? How are they vetted?
- What share of the work is manual?
- Will the same testers return for retests and future tests?
- How are credits or tester-days converted into actual testing time?
- Can we export findings and reports if we leave the platform?
- Where is our data stored, and who can access it?
The hybrid model
Many mature programs now combine both: an annual deep-dive engagement by a dedicated team, plus lighter, platform-based testing of new features throughout the year. Whichever model you choose, insist on named senior testers, a clear manual-testing share and audit-ready reporting.
Frequently asked questions
Is PTaaS cheaper than traditional pentesting?
Not necessarily. Per-test costs can be similar; PTaaS can be more economical if you test frequently, while fixed-price engagements suit annual deep-dives.
Is PTaaS just automated scanning?
Reputable PTaaS uses human testers on a platform. Fully automated tools marketed as PTaaS are scanners and should be evaluated as such.
Talk to us about the right model for your team — get a quote.