Verify website privacy compliance with Data Sentry

Data Sentry is your website's privacy pentest. Reveal privacy vulnerabilities before regulators or plaintiffs' attorneys find them.

A person reviewing data activity on a laptop.
Ketch dashboard widget: overall data collection spectrum reads Extensive, across 7,890 collection events and 24 data categories.
Ketch dashboard card: 4,500 collection events today.
Ketch dashboard card: 3,400 unauthorized collection events today.

See what cookie scanners
can't

Validate consumer opt-out compliance

40% of trackers ignore consumer opt-outs, according to Ketch research across 134 major websites. See exactly which ones keep firing on your properties after a person says no, across web, mobile, and CTV.

Enforce IAB and GPC signals

A consent signal only counts if every vendor downstream honors it. Follow GPC and IAB signals through your entire adtech chain and catch the vendors that drop them.

Uncover unauthorized sensitive data transfers

Media publisher Healthline paid $1.55M after sensitive browsing data reached advertisers without consent. Find the sensitive data leaving your properties before a regulator or plaintiffs' firm does.

Fall 2026 Leader

Rated 4.6/5 on G2

170+ verified reviews from privacy, security, and marketing teams.

Read Customer Stories
We went from project start to go-live in three weeks. Few vendors match Ketch on time-to-value
Privacy LeaderFortune 500 retail brand

67.2B

Consent transactions per month

3,500+

Brands using Ketch CMP

30.8B

CDN requests per month

5+

Gartner Market Guides

1,000+

Systems, apps, and models

See what regulators will see

The industry's first privacy pentest for your digital properties

Stay ahead of evolving CCPA requirements

The CCPA amendments that took effect January 1, 2026 added risk assessments for high-risk processing, cybersecurity audits, and rules for automated decision-making technology.

Know what data you hold and how it's used

Every one of those obligations assumes the business already knows what personal data it holds, which systems process it, and for what purpose.

Build on a current, accurate data map

A data map built last year describes a website that no longer exists. Data Sentry monitors what's actually running on your properties, so every assessment, audit, and disclosure starts from reality instead of a stale inventory.

Caught before enforcement

Detect privacy vulnerabilities before enforcement agencies do

Data Sentry runs three continuous checks against the live traffic leaving your properties, the same evidence regulators and plaintiffs' firms collect when they investigate.

Pinpoint trackers that fire after opt-out

Identify exactly which trackers or tags continue firing after consumers opt out, flagging unauthorized data collection such as data still being sent to third-party advertising platforms or social networks.

Follow consent signals through the adtech chain

Confirm that consent signals are properly propagated throughout the entire adtech chain, flagging vendors that fail to respect consumer consent preferences.

Map every sensitive data transfer

Analyze network traffic to reveal precisely what data you are collecting and where it is being shared with third parties, including sensitive data that shouldn't be transferred.

From packets to prioritized remediation

Real-time data and risk classification

From packet-level detection to a fix you can act on automatically.

Inspect every data payload. Ketch analyzes the actual packets leaving your website to learn what's being shared, where it's going, and whether it's authorized.

Thank you for making software that lawyers can use. I can make adjustments quickly and confidently within Ketch without needing to speak code.
John DombrowskiAssociate General Counsel for Compliance and IP, The RealReal
I love how easy it is to customize privacy notices for our brand voice and add new tags for our marketing campaigns. If you need a privacy solution that works seamlessly with your marketing activity, Ketch is the answer.
Tyler RosengrenHead of Marketing, Kodiak Robotics
Ketch has the best customer support, ever. Their CX and engineering teams are fast, proactive, and communicative. They are serious about listening to customer feedback and translating it to product enhancements.
Ken DayLead Product Designer, Multiverse

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Coverage

Comprehensive coverage across properties and systems

Frontend data map showing collection spectrum and event counts

Industry's first frontend data map

Unlike niche products like cookie scanning and code scanning, Data Sentry is real time, comprehensive inspection of all traffic.

Digital property monitor showing tracker and property mapping

Monitor every digital property

Analyze real-time data flows across web, mobile apps, and CTV environments, or ingest the same HAR files plaintiffs' firms use to build claims, ensuring no blind spots.

CMP validation insights showing consent control metrics

Validate your CMP implementation

Data Sentry works alongside any CMP, providing an independent validation of your configuration.

Cohort-based scanning with

Iris

Scanning coverage

Iris, the patent-pending scanning algorithm from Ketch, treats scanning as an intelligence problem instead of a volume problem.

Pages grouped by tracker signature

Iris groups pages by the specific set of cookies, storage entries, and network calls they fire, not by their URL. Rare trackers concentrate in distinct site sections, like a help center or a storefront, and cohort-based scanning reliably finds them where random page sampling has to get lucky.

Cross-origin cookie reading

Data Sentry reads cookies across origins directly rather than only detecting that a request occurred. Page-embedded telemetry scripts can't read cookies set under another company's domain, so they miss the third-party cookies that matter most for a disclosure.

Coverage that compounds

Every scan cycle alternates between confirming known trackers and discovering new territory, so coverage builds from cycle to cycle instead of resetting to a random sample each run.

Maintain a complete inventory of tracking technologies

Regulators now expect a full, regularly refreshed inventory of the tracking technologies actually running on your properties.

Run quarterly scans to meet CPPA requirements

The Tractor Supply order from the CPPA (September 2025, retail sector) requires quarterly scans and a current inventory of every tracking technology in use.

Go beyond capped scans and random sampling

Most scanning tools cap page counts and fill the gap with a fixed or random sample, which is why scan results shift from run to run.

Integrations

Pre-built APIs with 1,000+ systems, apps, and models

Ketch ships connectors and SDKs so consent, rights, and policy flow into your CDPs, warehouses, ad platforms, and AI stack — without a custom data pipeline.

Browse All Integrations

ROI

What teams ship when permissioning becomes infrastructure

Independent benchmarks and customer-reported gains across Discovery, Permissioning, and Growth.

12x

ROI vs. legacy, cookie-based privacy tools.

+95%

Productivity gain vs. manual DSR workflows.

+70%

Productivity gain vs. survey-based data discovery.

+38:1

ROI per $1 spent on preference & consent management.

Frequently asked questions

See what enforcement agencies see

Use Data Sentry to make discovery actionable.

Get Started Free

Get started in less than 5 min