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Security

· 12 checks — HTTP headers, CSP, TLS handshake, and cookie hygiene rolled into one auditable list.
SCORE
85
GRADE
B
FIX
1
REVIEW
3
PASS
8
INFO
0
Checks
12
8 PASS 3 REVIEW 1 FIX
D
Permissions-Policy
Action
No header set
FIX
No header set
Warning::
No Permissions-Policy header
Consider adding a Permissions-Policy header to restrict browser feature access from embedded content.

No Permissions-Policy header set.

Without this header, embedded iframes can request access to sensitive device features.

Suggested header
Permissions-Policy: camera=(), microphone=(), geolocation=(), payment=(), usb=()
B
Security Headers
7 of 10 headers properly configured
REVIEW
7 of 10 headers properly configured
Info::
Strict-Transport-Security is properly configured (consider adding preload)
Got: max-age=31536000; includeSubDomains
Info::
X-Content-Type-Options is properly configured
Got: nosniff
Info::
X-Frame-Options is properly configured
Got: SAMEORIGIN
Info::
Referrer-Policy is properly configured
Got: same-origin
Warning::
Permissions-Policy header is missing
Controls which browser features (camera, microphone, geolocation) are allowed. Set it to restrict unused features.
Expected: geolocation=(), camera=(), microphone=()
Info::
Content-Security-Policy is present
Got: default-src 'self'; font-src 'self' data:; img-src 'self' data: https://toeganke…
Warning::
Cross-Origin-Opener-Policy header is missing
COOP isolates your browsing context, preventing cross-origin side-channel attacks. Set to 'same-origin'.
Expected: same-origin
Warning::
Cross-Origin-Embedder-Policy header is missing
COEP prevents loading cross-origin resources without explicit permission. Required for SharedArrayBuffer and high-resolution timers.
Expected: require-corp
Info::
X-Powered-By header is not present
Info::
Server header is not present

Controls which browser features (camera, microphone, geolocation) are allowed. Set it to restrict unused features.

Expected: geolocation=(), camera=(), microphone=()
Why this matters

Permissions-Policy locks down browser APIs you don't use — without it, every page can request camera/mic/geolocation if XSS lands.

Learn more ▾

By default every page can request the camera, microphone, geolocation, payment APIs, and dozens more. Permissions-Policy turns off the ones you don't need so a future bug can't quietly start using them. It's a defense-in-depth header — one line, big surface reduction.

Source: MDN / W3C

COOP isolates your browsing context, preventing cross-origin side-channel attacks. Set to 'same-origin'.

Expected: same-origin
Why this matters

COOP isolates your top-level browsing context from cross-origin windows — without it, popup-based side-channel attacks remain possible.

Learn more ▾

Cross-Origin-Opener-Policy: same-origin prevents cross-origin pages from sharing a browsing-context group with yours. This blocks cross-window references that enable Spectre-style timing attacks and tab-nabbing. Required if you want to enable SharedArrayBuffer.

Source: MDN / web.dev

COEP prevents loading cross-origin resources without explicit permission. Required for SharedArrayBuffer and high-resolution timers.

Expected: require-corp
Why this matters

COEP enforces that all embedded resources opt-in to cross-origin embedding — required for cross-origin isolation features.

Learn more ▾

Cross-Origin-Embedder-Policy: require-corp ensures every embedded resource (script, iframe, image) explicitly allows being loaded cross-origin. Combined with COOP, this enables the cross-origin-isolated context that unlocks SharedArrayBuffer, high-resolution timers, and other powerful APIs.

Source: MDN / web.dev

B
Cookie Security
2 cookies analyzed, 2 checks passed
REVIEW
2 cookies analyzed, 2 checks passed
Info::
Cookie '__Secure-PROFILE' has the Secure flag
Info::
Cookie '__Secure-PROFILE' has the HttpOnly flag
Warning::
Cookie '__Secure-PROFILE' has no SameSite attribute
Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict.
Critical::
Cookie 'TS01c970c1' is missing the Secure flag
Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception.
Warning::
Cookie 'TS01c970c1' is missing the HttpOnly flag
Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft.
Warning::
Cookie 'TS01c970c1' has no SameSite attribute
Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict.
2 cookies analyzed 1 critical 3 warnings
NameSecureHttpOnlySameSiteSizeIssues
__Secure-PROFILE✓✓—97 B1
TS01c970c1✗✗—148 B3
B
CORS Configuration
No CORS headers
REVIEW
No CORS headers
Info::
No CORS headers present — secure default
CORS Configuration ✓ Secure

No CORS headers detected.

Cross-origin requests are blocked by browser same-origin policy.

Origin reflection test

Some servers mirror the request Origin header, which can be exploited. Test manually:

curl -sI -H "Origin: https://evil.com" <url> | grep -i access-control
A+
Content Security Policy
8 of 10 CSP checks passed
PASS
8 of 10 CSP checks passed
Info::
Raw CSP policy
Got: default-src 'self'; font-src 'self' data:; img-src 'self' data: https://toegankelijkheidsverklaring.nl https://www.toegankelijkheidsverklaring.nl; object-src 'none'; script-src 'self' https://portal.secumail.nl/v6/assets/js/portal-jquery.min.js; script-src-elem 'self' https://portal.secumail.nl/v6/assets/js/portal-jquery.min.js https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://unpkg.com; style-src 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://unpkg.com; base-uri 'self'; form-action 'self'; frame-ancestors 'self'
Info::
default-src directive is set
Got: default-src 'self'
Info::
No 'unsafe-inline' in script source
Info::
No 'unsafe-eval' in script source
Info::
No wildcard in script source
Info::
object-src is set to 'none'
Got: object-src 'none'
Info::
base-uri is properly restricted
Got: base-uri 'self'
Info::
frame-ancestors directive is set
Got: frame-ancestors 'self'
Info::
form-action directive is set
Got: form-action 'self'
Info::
upgrade-insecure-requests is not set
This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content.
Expected: upgrade-insecure-requests

This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content.

Expected: upgrade-insecure-requests
Why this matters

Without upgrade-insecure-requests, any HTTP subresource link survives as a mixed-content warning instead of auto-upgrading.

Learn more ▾

Adding `upgrade-insecure-requests` to your CSP turns every http:// subresource fetch into https:// at the browser layer. One-line defense against accidental mixed content from legacy links or third-party widgets.

Source: MDN CSP

Parsed Policy

default-src 'self'
font-src 'self'data:
img-src 'self'data:https://toegankelijkheidsverklaring.nlhttps://www.toegankelijkheidsverklaring.nl
object-src 'none'
script-src 'self'https://portal.secumail.nl/v6/assets/js/portal-jquery.min.js
script-src-elem 'self'https://portal.secumail.nl/v6/assets/js/portal-jquery.min.jshttps://cdn.jsdelivr.nethttps://cdnjs.cloudflare.comhttps://unpkg.com
style-src 'self''unsafe-inline'
style-src-elem 'self''unsafe-inline'https://cdn.jsdelivr.nethttps://cdnjs.cloudflare.comhttps://unpkg.com
base-uri 'self'
form-action 'self'
frame-ancestors 'self'
A+
TLS & Certificates
TLS 1.3, 7 checks passed
PASS
TLS 1.3, 7 checks passed
Info::
TLS 1.3 is used
Got: TLS 1.3
Info::
Strong cipher suite is used
Got: TLS_AES_256_GCM_SHA384
Info::
HTTP/2 is not negotiated
HTTP/2 provides multiplexing and header compression for better performance.
Got: http/1.1
Info::
Certificate is valid (expires in 34 days)
Got: 2026-05-26T23:59:59Z
Info::
Certificate chain has 2 certificates
Info::
Certificate uses modern signature algorithm
Got: SHA256-RSA
Info::
Certificate covers 7 domain(s)
Got: autoriteitpersoonsgegevens.nl, cms.autoriteitpersoonsgegevens.nl, www.autoriteitpersoonsgegevens.nl, cbpweb.nl, www.cbpweb.nl, www.dutchdpa.nl, dutchdpa.nl
Info::
Certificate is issued by a trusted CA
Got: CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1,O=DigiCert Ireland Limited,C=IE

HTTP/2 provides multiplexing and header compression for better performance.

Why this matters

HTTP/1.1 forces the browser to make sequential requests, multiplying latency on every page.

Learn more ▾

HTTP/2 (and HTTP/3) multiplex many requests over a single connection, eliminating head-of-line blocking. HTTP/1.1 forces the browser to either queue requests or open many parallel connections — both worse. Most modern web servers support HTTP/2 with one config line.

Source: MDN Web Docs

Connection
Protocol
TLS 1.3
Cipher Suite
TLS_AES_256_GCM_SHA384
HTTP Version
HTTP/1.1

Certificate Chain

Leaf Certificate
Subject CN=autoriteitpersoonsgegevens.nl,O=Autoriteit Persoonsgegevens,L=Den Haag,C=NLIssuer CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1,O=DigiCert Ireland Limited,C=IEValid 2025-05-27T00:00:00Z → 2026-05-26T23:59:59ZExpires in 34 days SANs autoriteitpersoonsgegevens.nl, cms.autoriteitpersoonsgegevens.nl, www.autoriteitpersoonsgegevens.nl, cbpweb.nl, www.cbpweb.nl, www.dutchdpa.nl, dutchdpa.nlSignature SHA256-RSASerial f6a48c1735335a047532192adaf9add
Intermediate (CA Certificate)
Subject CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1,O=DigiCert Ireland Limited,C=IEIssuer CN=DigiCert Global Root G2,OU=www.digicert.com,O=DigiCert Inc,C=USValid 2022-09-19T00:00:00Z → 2032-09-18T23:59:59ZExpires in 2341 days Signature SHA384-RSASerial 64f84ff791fa676f29cf36537a2749e
A+
Subresource Integrity
No external resources
PASS
No external resources
Info::
No external resources to protect
SRI Coverage No external resources — SRI not applicable
A+
JS Library Vulnerabilities
No known vulnerabilities
PASS
No known vulnerabilities
Info::
No known JavaScript library vulnerabilities detected

No known JavaScript library vulnerabilities detected.

A+
Information Leakage
No exposures
PASS
No exposures
Info::
security.txt is present — good practice
Info::
No sensitive files exposed

No sensitive files exposed — all paths returned 404.

PathStatusCategoryRisk
/.git/HEAD✓ Not foundVersion Control—
/.git/config✓ Not foundVersion Control—
/.svn/entries✓ Not foundVersion Control—
/.env✓ Not foundConfiguration—
/.env.local✓ Not foundConfiguration—
/.env.production✓ Not foundConfiguration—
/wp-config.php✓ Not foundConfiguration—
/.htaccess✓ Not foundConfiguration—
/phpinfo.php✓ Not foundDebug—
/server-status✓ Not foundDebug—
/server-info✓ Not foundDebug—
/.well-known/security.txt✗ ExposedSecurity PolicyInfo
A
Email Security
DMARC: quarantine
PASS
DMARC: quarantine
Info::
DMARC policy is quarantine — good protection
DMARC
Policy quarantine — good protection Record v=DMARC1; p=quarantine; rua=mailto:dmarc-test@minvenj.nl; ruf=mailto:dmarc-forensic@minvenj.nl; rf=afrf; pct=100;
A+
security.txt
Signed, 3 contact(s) — RFC 9116 compliant
PASS

security.txt

Contact: https://www.ncsc.nl/dienstverlening/kwetsbaarheid-melden-cvd, https://www.ncsc.nl/en/cvd-report-form, mailto:security@ncsc.nl
Expires: 2027-01-31T22:59:00.000Z
Encryption: https://www.ncsc.nl/pgp.txt
Policy: https://www.ncsc.nl/.well-known/security.txt
A
Transport Security
HTTP/3, HSTS, and TLS version analysis
PASS
HTTP/3, HSTS, and TLS version analysis
Info::
HTTP/3 (QUIC) not advertised
HTTP/3 eliminates head-of-line blocking. If your CDN supports it, consider enabling it.
Info::
HSTS enabled (includeSubDomains)
Info::
TLS 1.3 in use (fastest handshake, 1-RTT)
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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