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Top Penetration Testing providers.

25 ranked firms · How we rank
01
ABA Tech Solutions
FOUNDED 2013 · LISTED · 11-50 EMPLOYEES

Secure infrastructure for patient data

HEADQUARTERS
Austin, TX
TEAM
11-50 employees
RATING
No reviews
02
HIPAA Vault
FOUNDED 1997 · LISTED · 11-50 EMPLOYEES

HIPAA-compliant hosting and managed security provider for healthcare.

HEADQUARTERS
Santa Clarita, CA
TEAM
11-50 employees
RATING
No reviews
03
Managed IT Partners
FOUNDED 2008 · LISTED · 11-50 EMPLOYEES

Healthcare-focused IT and cybersecurity solutions protecting patient data and practice infrastructure.

HEADQUARTERS
Chicago, IL
TEAM
11-50 employees
RATING
No reviews
04
Behavioral Cybersecurity
FOUNDED 2016 · LISTED · 11-50 EMPLOYEES

Cybersecurity for ABA providers

HEADQUARTERS
Atlanta, GA
TEAM
11-50 employees
RATING
No reviews
05
Tevora
FOUNDED 2003 · LISTED · 51-200 EMPLOYEES

Cybersecurity consulting firm with HIPAA and HITRUST assessment practices.

HEADQUARTERS
Lake Forest, CA
TEAM
51-200 employees
RATING
No reviews
06
Accountable HQ
FOUNDED 2016 · LISTED · 11-50 EMPLOYEES

HIPAA compliance and risk management SaaS for small healthcare businesses.

HEADQUARTERS
San Francisco, CA
TEAM
11-50 employees
RATING
No reviews
07
KnowBe4
LISTED
HEADQUARTERS
RATING
No reviews
08
NinjaOne
LISTED
HEADQUARTERS
RATING
No reviews
09
Rapid7
LISTED
HEADQUARTERS
RATING
No reviews
10
Bitdefender
LISTED
HEADQUARTERS
RATING
No reviews
11
Varonis
LISTED
HEADQUARTERS
RATING
No reviews
12
Imperva
LISTED
HEADQUARTERS
RATING
No reviews
13
Duo Security
LISTED
HEADQUARTERS
RATING
No reviews
14
JumpCloud
LISTED
HEADQUARTERS
RATING
No reviews
15
Fortinet
LISTED
HEADQUARTERS
RATING
No reviews
16
SentinelOne
LISTED
HEADQUARTERS
RATING
No reviews
17
CrowdStrike
LISTED
HEADQUARTERS
RATING
No reviews
18
Proofpoint
LISTED
HEADQUARTERS
RATING
No reviews
19
Okta
LISTED
HEADQUARTERS
RATING
No reviews
20
Microsoft Defender
LISTED
HEADQUARTERS
RATING
No reviews
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§ Subcategory FAQ

The questions buyers ask before shortlisting.

Answered against the same disclosed methodology that powers every ranking on this page.

§FAQ.01

What is ABA Penetration Testing?

Penetration Testing is a service-vendor subcategory inside the it / security services group on ABA Rank. ABA Rank indexes 25 firms that operate in penetration testing and ranks each on the same disclosed 100-point Index used across the rest of the services directory — profile completeness, verification, listing tier, and qualified public reviews.

§FAQ.02

How does ABA Rank rank penetration testing firms?

Every firm in the Penetration Testing subcategory is scored on the same 100-point Index used across the rest of ABA Rank: 50 points from profile completeness (the disclosed inputs specific to penetration testing), 20 points from verification, 5 points from listing tier, and 25 points from qualified public reviews. Methodology is fully disclosed at /how-we-rank — there is no sponsored placement and no paid ranking boost.

§FAQ.03

Which penetration testing firm ranks #1 on ABA Rank today?

The current #1 in Penetration Testing is the top entry on this page; rankings refresh every night so the leader can change between visits. ABA Rank does not endorse a single permanent winner — the public Index recomputes from disclosed inputs (profile completeness, verification, listing tier, and review weight) on a nightly cadence, and any firm that improves its disclosed inputs can move up.

§FAQ.04

How many penetration testing firms are listed on ABA Rank?

25 firms are currently ranked under Penetration Testing on ABA Rank. The directory is an editorial index of operating U.S. ABA firms; defunct or out-of-market entries are removed.

§FAQ.05

What does Verified mean for penetration testing firm on ABA Rank?

Verification on a service vendor means a credential audit specific to the service line — BACB credentials for clinical service partners; business registration and references for non-clinical firms — plus a magic-link claim from a work email at the vendor’s domain. Verified service vendors carry a seal and earn a placement boost; unverified vendors remain ranked but are clearly marked.

§FAQ.06

How much do penetration testing firms cost?

Penetration Testing pricing varies widely by service line. ABA Rank publishes each vendor’s disclosed pricing model and pricing band on its profile when provided — there is no paid placement and no hidden referral commission. For deeper procurement work, /post-a-project routes a brief to three to seven matched vendors with disclosed pricing comparable side by side.

§FAQ.07

How does ABA Rank decide which firms qualify for Penetration Testing?

Subcategory assignment is editorial, not self-selected. The ABA Rank editorial team reviews each firm’s public website, primary service lines, and (where applicable) credential records, then assigns the most specific subcategory that matches what the firm actually does. firms that span multiple subcategories appear in each one rather than being forced into a single bucket.

§FAQ.08

How can a firm get listed in Penetration Testing?

Any owner or authorized representative of an eligible firm can claim a free listing. Claimed profiles unlock the editable fields that drive the Index, and Verified ($400/yr) and Sponsor ($1,200/yr) tiers are optional paid upgrades disclosed in the methodology. New firms that are not yet on ABA Rank can be submitted at /suggest-vendor; submissions are reviewed weekly and approved listings typically appear within seven to ten days.