Agent skill

Dpia Biometric Systems

by mukul975 in mukul975/Privacy-Data-Protection-Skills

Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules.

Apache-2.0Auto-check passedLegal & Compliance

Install Dpia Biometric Systems

skills CLI
$ npx skills add mukul975/Privacy-Data-Protection-Skills --skill dpia-biometric-systems -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mukul975/Privacy-Data-Protection-Skills dpia-biometric-systems --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/mukul975/Privacy-Data-Protection-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/privacy/dpia-biometric-systems .claude/skills/dpia-biometric-systems && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
dpia-biometric-systems
GitHub stars
301
Token cost
~2.7k tokens
SKILL.md length
1,158 words
Files
5 (incl. scripts, references, assets)
Skills in repo
280
Repo updated
First seen
Licence
Apache-2.0

At a glance

Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules.

  • Works in 4 steps: Define the specific, concrete purpose… → Demonstrate that biometric processing… → Document why less intrusive alternatives… → …
  • Tasks that involve Privacy and GDPR
  • SKILL.md covers Overview, When a DPIA Is Mandatory for…, DPIA Assessment Structure and DPO Consultation Requirements, plus 2 more sections
  • Runs Python scripts from its folder

What it does

Dpia Biometric Systems is an agent skill from mukul975/Privacy-Data-Protection-Skills. Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules. Covers facial recognition, fingerprint, iris scanning, voice recognition, and behavioural biometrics. Applies EDPB Guidelines 3/2019, CNIL Reglement Type Biometrie, and ISO/IEC 24745 biometric template protection. Keywords: DPIA biometric, facial recognition, fingerprint, Art. 35, Art. 9, biometric template, special category.

Its SKILL.md is about 2.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including scripts, reference files and assets (for example `assets/template.md`, `references/standards.md` and `references/workflows.md`).

It sits in Legal & Compliance, covering Privacy and GDPR. The repository describes itself as: 282+ structured privacy & data protection skills for AI agents. GDPR, CCPA, EU AI Act, HIPAA, LGPD, PIPL, DPDP Act. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Privacy and GDPR

Example prompts

  • “Use the dpia-biometric-systems skill to conduct Data Protection Impact Assessments for biometric identification and authentication systems under…”
  • “/dpia-biometric-systems”

Requirements

  • Python 3

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Define the specific, concrete purpose (not "security" but "controlling access to pharmaceutical clean room")
  2. Demonstrate that biometric processing achieves the purpose more effectively than alternatives
  3. Document why less intrusive alternatives are insufficient (badge sharing documented incidents, PIN security breaches)
  4. Confirm processing is limited to what is necessary (no function creep, no secondary uses)

What it can do on your machine

Read from SKILL.md and the folder at commit 9b2ef9e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Dpia Biometric Systems loads about 2.7k tokens when it runs, and up to ~6.3k if it reads all its reference files. Until then it costs about 128 tokens; SKILL.md has 1,158 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~128
When it runs · the whole SKILL.md, loaded when a task matches
~2.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~6.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from mukul975/Privacy-Data-Protection-Skills at commit 9b2ef9e, republished under its Apache-2.0 licence (© mukul975). 1,158 words, ~2,675 tokens.

Download SKILL.mdSave it as .claude/skills/dpia-biometric-systems/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.
name
dpia-biometric-systems
description
Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules. Covers facial recognition, fingerprint, iris scanning, voice recognition, and behavioural biometrics. Applies EDPB Guidelines 3/2019, CNIL Reglement Type Biometrie, and ISO/IEC 24745 biometric template protection. Keywords: DPIA biometric, facial recognition, fingerprint, Art. 35, Art. 9, biometric template, special category.
license
Apache-2.0
metadata.author
mukul975
metadata.version
1.0
metadata.domain
privacy
metadata.subdomain
privacy-impact-assessment
metadata.tags
dpia-biometric, facial-recognition, fingerprint, art-35, art-9, biometric-template

DPIA for Biometric Systems

Overview

Biometric data processing for uniquely identifying natural persons falls under GDPR Article 9(1) special category data and triggers a mandatory DPIA under Article 35(3)(b) — "processing on a large scale of special categories of data." The European Data Protection Board (EDPB) Guidelines on DPIA list biometric processing as an inherently high-risk activity requiring assessment regardless of scale. This skill provides a structured DPIA methodology specifically designed for biometric identification and authentication systems.

When a DPIA Is Mandatory for Biometric Systems

Under EDPB WP248rev.01, a DPIA is required when processing meets two or more criteria from the nine-factor list. Biometric systems commonly trigger:

EDPB CriterionBiometric Relevance
Special category data (Criterion 4)Biometric data under Art. 9(1) when used for unique identification
Systematic monitoring (Criterion 3)Facial recognition CCTV, continuous gait analysis
Large-scale processing (Criterion 5)Organisation-wide deployment of fingerprint scanners
Innovative technology (Criterion 8)Behavioural biometrics, emotion detection, multimodal biometrics
Vulnerable data subjects (Criterion 7)Employees (power imbalance), children, patients
Automated decision-making (Criterion 2)Biometric-based access decisions without human review

National DPA blacklists universally include biometric processing:

  • CNIL (France): Deliberation 2018-327, List 11 — Biometric processing for identification
  • ICO (UK): DPIA required for biometric data processing at any scale
  • AEPD (Spain): List includes biometric processing for access control
  • BfDI (Germany): All biometric employee processing requires DPIA

DPIA Assessment Structure

Section 1: Processing Description (Art. 35(7)(a))

Document the biometric system in detail:

System Architecture:

  • Biometric modality: fingerprint, facial recognition, iris, voice, behavioural, or multimodal
  • Capture device specifications: sensor type, resolution, liveness detection capability
  • Template extraction algorithm: vendor, version, ISO/IEC 19795 compliance
  • Template storage: on-device (token/badge), local server, centralised database, cloud
  • Matching architecture: 1:1 verification or 1:N identification
  • Integration points: access control, time and attendance, HR systems, CCTV

Data Flows:

  • Raw biometric data capture (image, audio, behavioural signal)
  • Feature extraction and template creation
  • Template storage location and encryption
  • Matching and decision process
  • Audit logging
  • Template deletion and lifecycle

Data Subjects and Scale:

  • Number of enrolled individuals
  • Number of daily biometric transactions
  • Categories of data subjects (employees, visitors, contractors, customers)
  • Vulnerable groups affected (employees with power imbalance, children)
Section 2: Necessity and Proportionality (Art. 35(7)(b))

Lawful Basis Assessment:

BasisArt. 6(1)Art. 9(2)Assessment
ConsentArt. 6(1)(a)Art. 9(2)(a)Problematic for employees (power imbalance); may be valid for voluntary customer opt-in
Legal obligationArt. 6(1)(c)Art. 9(2)(b)Valid where national law mandates biometric verification (nuclear facilities, pharmaceutical production)
Legitimate interestArt. 6(1)(f)Not availableArt. 9(2) does not include legitimate interest; must pair with another Art. 9(2) condition
Public interestArt. 6(1)(e)Art. 9(2)(g)Valid for border control, law enforcement with Member State law basis
Employment lawArt. 6(1)(b)Art. 9(2)(b)Valid where national employment law authorises biometric processing with appropriate safeguards

Necessity Test:

  1. Define the specific, concrete purpose (not "security" but "controlling access to pharmaceutical clean room")
  2. Demonstrate that biometric processing achieves the purpose more effectively than alternatives
  3. Document why less intrusive alternatives are insufficient (badge sharing documented incidents, PIN security breaches)
  4. Confirm processing is limited to what is necessary (no function creep, no secondary uses)

Proportionality Assessment:

  • Severity of the security risk vs. intrusiveness of biometric processing
  • Scope: targeted deployment (specific areas/roles) vs. blanket deployment
  • Alternative non-biometric method available for those who object
  • Safeguards proportionate to the heightened risk of special category data
Section 3: Risk Identification and Assessment (Art. 35(7)(c))

Biometric-Specific Risk Categories:

Risk IDRisk CategoryDescriptionTypical Severity
BIO-R1Template breachUnauthorised access to biometric template database; unlike passwords, biometric characteristics cannot be changedVery High
BIO-R2Function creepBiometric data collected for access control repurposed for monitoring, emotion detection, or performance trackingHigh
BIO-R3DiscriminationBiometric system accuracy varies by demographic group (skin tone, age, disability), causing disproportionate false rejectionsHigh
BIO-R4Covert collectionFacial recognition or behavioural biometrics collected without active data subject participation or awarenessHigh
BIO-R5Cross-system linkageBiometric templates matched across unrelated systems enabling tracking beyond original purposeVery High
BIO-R6Spoofing and fraudBiometric data used to create synthetic representations (deepfakes, artificial fingerprints)High
BIO-R7Chilling effectEmployees alter behaviour due to awareness of biometric monitoring, impacting freedom of expression and associationMedium
BIO-R8IrrevocabilityCompromised biometric data cannot be reset like a password; lifetime impact on data subjectsVery High
Show full SKILL.md (452 more words)Show less
Section 4: Mitigation Measures (Art. 35(7)(d))

Technical Safeguards:

MeasureStandard ReferenceImplementation
Biometric template protectionISO/IEC 24745:2022Cancelable biometrics or biometric encryption ensuring templates cannot be reverse-engineered to raw data
On-device template storageCNIL Reglement Type BiometrieTemplates stored on employee-held badges/tokens; no centralised database
Liveness detectionISO/IEC 30107Anti-spoofing measures: 3D depth sensing, pulse detection, challenge-response
Encryption at restAES-256 minimumAll biometric templates and audit logs encrypted
Encryption in transitTLS 1.3All biometric data transmission between capture device and matching engine
Template irreversibilityISO/IEC 24745 Section 6One-way transformation ensuring raw biometric cannot be reconstructed
System isolationNetwork segmentationBiometric systems on dedicated VLAN, no internet connectivity
Audit loggingImmutable logsAll enrolment, matching, and administrative access events logged

Organisational Safeguards:

MeasureImplementation
DPIA review cycleAnnual reassessment or upon system change
Alternative access methodNon-biometric alternative (PIN + badge) available for all data subjects
Employee objection procedureFormal objection mechanism with no adverse consequences
Deletion upon terminationBiometric templates deleted within 24 hours of employment termination
Access restrictionBiometric database access limited to named security administrators with MFA
Vendor due diligenceBiometric vendor assessed for Art. 28 compliance, subprocessor chain, international transfers
TrainingAll operators trained on biometric system operation and data protection obligations
Incident responseSpecific breach procedure for biometric data compromise including notification of irrevocability risk

DPO Consultation Requirements

Under Art. 35(2), the controller shall seek the advice of the DPO when carrying out a DPIA. For biometric systems, the DPO should specifically assess:

  1. Whether the Art. 9(2) exception is robustly established
  2. Whether the necessity test has been rigorously applied
  3. Whether less intrusive alternatives have been genuinely evaluated (not dismissed pro forma)
  4. Whether the proposed safeguards are adequate for the heightened risk
  5. Whether Art. 36 prior consultation with the supervisory authority is required

Art. 36 Prior Consultation Triggers

If the DPIA concludes that residual risk remains high after all mitigation measures, the controller must consult the supervisory authority under Art. 36(1) before commencing processing. For biometric systems, prior consultation is typically required when:

  • Large-scale facial recognition is deployed in public or semi-public spaces
  • Biometric processing involves vulnerable populations (children, patients) without explicit legal basis
  • Centralised biometric database stores templates for more than 10,000 individuals
  • Biometric system operates in 1:N identification mode across multiple sites
  • No adequate alternative to biometric processing can be provided for objecting individuals

Integration Points

  • Employee Biometric Data: Detailed guidance on biometric processing in employment (see employee-biometric-data skill)
  • DPIA Risk Scoring: Risk scoring methodology for DPIA findings (see dpia-risk-scoring skill)
  • DPIA Mitigation Plan: Structured mitigation planning (see dpia-mitigation-plan skill)
  • DPIA Stakeholder Consult: Data subject consultation requirements (see dpia-stakeholder-consult skill)
  • Employee Monitoring DPIA: Broader employee monitoring assessment (see employee-monitoring-dpia skill)

© mukul975, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 4 other files (scripts, references, assets) in skills/privacy/dpia-biometric-systems of mukul975/Privacy-Data-Protection-Skills.

  • SKILL.md
  • assets/template.md
  • references/standards.md
  • references/workflows.md
  • scripts/process.py

Open the folder on GitHubat commit 9b2ef9e

Compare with similar skills

Dpia Biometric Systems next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Dpia Biometric Systems compared with similar skills
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C15tc15t/c15t1.9k1 repos~1.6kAutomated safety check: PassApache-2.0
HIPAA Safe Harbor Coverage Auditmaziyarpanahi/openmed5.5k—~1.7kAutomated safety check: PassApache-2.0
Korean Privacy Termskimlawtech/korean-privacy-terms587—~2.9kAutomated safety check: PassApache-2.0
Gdpr ComplianceSushegaad/Claude-Skills-Governance-Risk-and-Compliance9461 repos~3.9kAutomated safety check: PassMIT
Hipaa ComplianceSushegaad/Claude-Skills-Governance-Risk-and-Compliance9461 repos~2.3kAutomated safety check: PassMIT

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Questions about Dpia Biometric Systems

What does Dpia Biometric Systems do?

Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules. Dpia Biometric Systems is an agent skill from mukul975/Privacy-Data-Protection-Skills. Conducts Data Protection Impact Assessments for biometric identification and authentication systems under GDPR Article 35 and Article 9 special category rules.

When should I use Dpia Biometric Systems?

Dpia Biometric Systems fits situations like: tasks that involve Privacy and GDPR.

How do I install Dpia Biometric Systems in Claude Code?

Run `npx skills add mukul975/Privacy-Data-Protection-Skills --skill dpia-biometric-systems -a claude-code`. Or copy the skill folder (skills/privacy/dpia-biometric-systems in mukul975/Privacy-Data-Protection-Skills) into .claude/skills/dpia-biometric-systems in your project. Claude Code loads it when a task matches its description.

How do I install Dpia Biometric Systems in Codex?

Run `npx skills add mukul975/Privacy-Data-Protection-Skills --skill dpia-biometric-systems -a codex`. Or copy the skill folder (skills/privacy/dpia-biometric-systems in mukul975/Privacy-Data-Protection-Skills) into .agents/skills/dpia-biometric-systems in your project. Codex loads it when a task matches its description.

Can I use Dpia Biometric Systems in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mukul975/Privacy-Data-Protection-Skills --skill dpia-biometric-systems -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/dpia-biometric-systems, .gemini/skills/dpia-biometric-systems, .github/skills/dpia-biometric-systems and .opencode/skills/dpia-biometric-systems in your project.

What does Dpia Biometric Systems need to run?

Going by SKILL.md and its folder, Dpia Biometric Systems needs Python for the scripts in its folder. Our summary lists: Python 3.

Does Dpia Biometric Systems access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Dpia Biometric Systems safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Dpia Biometric Systems use?

Dpia Biometric Systems is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Dpia Biometric Systems use?

About 2.7k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 3.7k tokens, read only when the agent opens those files.

What are the alternatives to Dpia Biometric Systems?

Skills that share tags, products or a category with Dpia Biometric Systems: C15t (c15t/c15t, 1.9k stars), HIPAA Safe Harbor Coverage Audit (maziyarpanahi/openmed, 5.5k stars), Korean Privacy Terms (kimlawtech/korean-privacy-terms, 587 stars) and Gdpr Compliance (Sushegaad/Claude-Skills-Governance-Risk-and-Compliance, 946 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Dpia Biometric Systems?

mukul975 (a GitHub user) maintains it in mukul975/Privacy-Data-Protection-Skills, which has 301 GitHub stars. The repository holds 280 skills in this directory. The repository was last updated on March 16, 2026.

Source: mukul975/Privacy-Data-Protection-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.