Security and privacy: AI tools compared (7)

What security and privacy tools are for

AI security and privacy tools address distinct needs, including code review, agent access controls, sensitive data handling and application testing. They mainly serve technical teams and organisations integrating AI systems into existing workflows. DeepCode AI identifies vulnerabilities and suggests security fixes. NeuralTrust and Lakera detect attempts to manipulate instructions among their functions. InterLock by Context Data can restrict agents to authorised data access. For example, instead of letting an assistant query a database broadly, you can specify accessible tables, mask personal information and require approval for risky changes. Protection becomes an explicit part of how the application operates. The tools provide controls or signals that your team must configure and assess. Their practical value depends on the architecture, permissions and response process around them. A product label alone does not tell you which risks are covered or whether those controls work in your particular environment.

Example uses:

• You investigate vulnerabilities flagged in your code and validate suggested fixes before merging any changes.
• You restrict the tables and columns an agent can query according to its assigned task.
• You identify personal information in exchanges so it can be masked before being passed onwards.
• You test how your application responds to instructions intended to bypass its rules and access controls.
• You require human approval before an agent makes sensitive changes to data in your environment.

Our picks by need

These picks follow simple rules applied to the verified data, with no partnership or affiliate link:

• Best scored : DeepCode AI. 68/100 on our access and transparency grid.
• To keep data in Europe : InterLock by Context Data. Processing on your device.
• Open source : AgentStamp. Public code, self-hosting possible depending on the project.

The main tools at a glance

DeepCode AI 68/100

DeepCode AI serves people analyzing code security within Snyk products. It identifies vulnerabilities, suggests security fixes, ranks issues by risk, and analyzes code within development tools. Features: Identify vulnerabilities in code; Suggest security fixes; Rank issues by risk. Entry price: $25 per month, with a free tier. Runs on: web browser and API. Data hosting: Several regions.

AgentStamp 68/100

AgentStamp is an open-source tool for people registering or checking agent identities. It verifies signed attestations, calculates reputation scores, provides access to a public registry, and exports audit histories. Features: Register an agent’s identity; Verify a signed attestation; Calculate a reputation score. Entry price: 0 USDC pay as you go, with a free tier. Runs on: web browser and API.

NeuralTrust 68/100

NeuralTrust lets teams using agents and models control access, requests and spending. It detects attempts to manipulate instructions, identifies sensitive data and tracks activity through traces and logs. Features: Detect attempts to manipulate instructions; Identify and mask sensitive data; Control agents' access to tools. Entry price: $49 per month, with a free tier. Runs on: web browser and API. Data hosting: Several regions.

InterLock by Context Data 68/100

InterLock by Context Data lets teams using agents restrict data access. It masks personal data in responses, submits risky changes for human approval, and keeps an exportable query log. Features: Restrict agents' access to authorized tables and columns; Mask personal data in responses; Submit risky changes for human approval. Free tier available. Runs on: web browser and API. Data hosting: On device.

PentAGI 63/100

PentAGI lets security teams run penetration tests with autonomous agents using isolated containers. It searches for information useful to audits, produces security reports, and tracks agent actions and results. Features: Run penetration tests with autonomous agents; Run testing tools in isolated containers; Search for information useful to audits. Free tier available. Runs on: web browser, Windows, macOS, and Linux. Data hosting: On device.

Lakera 58/100

Lakera helps people configure security rules for exchanges with models. It detects instruction hijacking attempts and personal data, blocks or masks sensitive content, and displays alerts in a dashboard. Features: Detect attempts to hijack instructions; Identify personal data in exchanges; Block or mask sensitive content. Free tier available. Runs on: web browser and API. Data hosting: Several regions.

Gemma Guard 58/100

Gemma Guard lets Android users analyze an application's screen for suspicious messages and visual brand imitations. It explains the risk level and lets users share an alert with someone close. Features: Analyze an application's screen; Identify suspicious messages and pages; Detect visual imitations of brands. Free tier available. Runs on: Android. Data hosting: On device.

The category in figures

Of the 7 tools in the category, 7 (100%) offer a free tier, 71% have a public API and 0 have a French interface. Too few tools publish a monthly price to compute a reliable median. 6 disclose where data is hosted, 3 of them in Europe or on device.

Also useful

These tools belong to another category but also cover this need:

• Metorial Metorial helps teams connect agents to business applications. It centralizes MCP connections, manages permissi
• Prisma AIRS AI Gateway — Portkey Prisma AIRS AI Gateway — Portkey lets teams route requests between multiple models. It tracks costs and respon
• Content Credentials Verify Content Credentials Verify lets people examining a file view its provenance and documented editing history. It
• Resemble AI Resemble AI is for people checking audio, image, and video content for manipulation. It also supports detectin
• AI or Not AI or Not serves people examining content origins or manipulation. It analyzes images, text, audio, and video,
• ScoreDetect ScoreDetect calculates a content fingerprint and timestamps it on a blockchain for people who want to verify c

Choosing well and avoiding pitfalls

Start from the concrete risk and existing architecture: vulnerable code, data exposure, excessive permissions or instruction manipulation. Test representative cases in an authorised environment, including French inputs if your users write in French. Examine missed detections, unnecessary blocking and the explanations provided. Check integrations, requested permissions, exportable logs and rollback options. Review where data is processed and how long it is retained. Assess administration work and charges linked to requests or computing resources. Select controls your team can maintain, and confirm how you would investigate an alert or restore normal operation after a mistaken block.

A filter can miss an attack or block a legitimate request. An automated fix can introduce another defect. Validate changes and test controls with limited permissions. A signed attestation or reputation score does not guarantee an agent’s future behaviour. Logs may contain secrets, so minimise their content and restrict access. For autonomous penetration testing, define an authorised scope and stopping mechanisms before execution. Consider the whole workflow, since a useful detection still needs an appropriate response from the surrounding system.

To compare with the cost of using an AI model directly, see the API price calculator.

Free or paid?

Free plans or trials may let you inspect a repository, test a filter or explore alerts within a limited scope. They help assess integration effort and follow-up work. Paying may suit continuous use, broader processing or team features. Include infrastructure and administration in your assessment, since subscription terms alone do not describe the full operational cost.

Tools in the category with a free tier: DeepCode AI, AgentStamp, NeuralTrust, InterLock by Context Data, PentAGI, Lakera, and Gemma Guard.

For which jobs?

The profiles that use these tools most, based on the use cases documented by publishers: developers.