Domain History

www.truist.com

Grade D- · 43/100 · 3/7 security headers present

Security Score

D-

43/ 100

Security Headers

3/ 7

CSP Violations

NoViolations

Issues Found

15Issues

Recommendations

11Available

Security

43 / 100

Significant security weaknesses detected in CSP configuration.

Compliance

44 / 100

Major compliance issues — missing critical directives and headers.

Best Practices

20 / 100

Best practices largely absent — review CSP configuration.

CSP Analysis

Content Security PolicyHIGH

frame-ancestors test.lightstream.com www.lightstream.com *.truist.com *.truist-tst.com *.truist-prd.com;

Directive Analysis

frame-ancestorsHIGH

test.lightstream.com www.lightstream.com *.truist.com *.truist-tst.com *.truist-prd.com

•Subdomain wildcard '*.truist.com' in frame-ancestors - vulnerable to subdomain takeover

•Subdomain wildcard '*.truist-tst.com' in frame-ancestors - vulnerable to subdomain takeover

•Subdomain wildcard '*.truist-prd.com' in frame-ancestors - vulnerable to subdomain takeover

Missing Directives

⚠CRITICALMissing CRITICAL directive default-src (Base fallback directive)

⚠CRITICALMissing CRITICAL directive script-src (JavaScript source control)

⚠HIGHMissing HIGH directive object-src (Plugin control - should be 'none')

⚠HIGHMissing HIGH directive base-uri (Base URI control - prevents base tag injection)

⚠MEDIUMMissing MEDIUM directive form-action (Form submission control - prevents form hijacking)

⚠MEDIUMMissing MEDIUM directive connect-src (API/XHR control - prevents data exfiltration)

⚠MEDIUMMissing MEDIUM directive style-src (Stylesheet source control)

⚠MEDIUMMissing MEDIUM directive img-src (Image source control)

⚠MEDIUMMissing MEDIUM directive font-src (Font source control)

Security Headers

✗Cross-Origin-Opener-PolicyMissing

Isolates the browsing context to prevent Spectre-type side-channel attacks and cross-origin window manipulation.

How to add it:

nginx

add_header Cross-Origin-Opener-Policy "same-origin" always;

apache

Header always set Cross-Origin-Opener-Policy "same-origin"

cloudflare

Rules > Transform Rules > HTTP Response Header Modification > Set Cross-Origin-Opener-Policy to "same-origin"

✗Permissions-PolicyMissing

Restricts which browser features (camera, microphone, geolocation) the page can use, limiting attack surface.

How to add it:

nginx

add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

apache

Header always set Permissions-Policy "camera=(), microphone=(), geolocation=()"

cloudflare

Rules > Transform Rules > HTTP Response Header Modification > Set Permissions-Policy value

✗Referrer-PolicyMissing

Controls how much referrer information is sent with requests, preventing data leaks to third parties.

How to add it:

nginx

add_header Referrer-Policy "strict-origin-when-cross-origin" always;

apache

Header always set Referrer-Policy "strict-origin-when-cross-origin"

cloudflare

Rules > Transform Rules > HTTP Response Header Modification > Set Referrer-Policy to "strict-origin-when-cross-origin"

✓Strict-Transport-SecurityPresent

max-age=63072000; includeSubdomains;

Forces browsers to use HTTPS for all future requests, preventing man-in-the-middle attacks and SSL stripping.

✓X-Content-Type-OptionsPresent

nosniff

Prevents browsers from MIME-sniffing responses away from the declared Content-Type, blocking drive-by downloads.

✓X-Frame-OptionsPresent

SAMEORIGIN

Prevents the page from being embedded in iframes, protecting against clickjacking attacks.

—X-XSS-ProtectionDeprecated

Legacy XSS filter for older browsers. Modern browsers use CSP instead. Set to "0" to avoid false positives.

3 recommended security headers are missing on www.truist.com.

Issues Found

•Missing CRITICAL directive default-src (Base fallback directive)critical
•Missing CRITICAL directive script-src (JavaScript source control)critical
•Missing HIGH directive base-uri (Base URI control - prevents base tag injection)high
•Missing HIGH directive object-src (Plugin control - should be 'none')high
•Missing MEDIUM directive connect-src (API/XHR control - prevents data exfiltration)medium
•Missing MEDIUM directive font-src (Font source control)medium
•Missing MEDIUM directive form-action (Form submission control - prevents form hijacking)medium
•Missing MEDIUM directive img-src (Image source control)medium
•Missing MEDIUM directive style-src (Stylesheet source control)medium
•Missing security header: Cross-Origin-Opener-Policymedium
•Missing security header: Permissions-Policymedium
•Missing security header: Referrer-Policymedium
•Subdomain wildcard '*.truist-prd.com' in frame-ancestors - vulnerable to subdomain takeovermedium
•Subdomain wildcard '*.truist-tst.com' in frame-ancestors - vulnerable to subdomain takeovermedium
•Subdomain wildcard '*.truist.com' in frame-ancestors - vulnerable to subdomain takeovermedium

Recommendations

→Add base-uri directive with appropriate restrictions
→Add connect-src directive with appropriate restrictions
→Add default-src directive with appropriate restrictions
→Add font-src directive with appropriate restrictions
→Add form-action directive with appropriate restrictions
→Add img-src directive with appropriate restrictions
→Add object-src directive with appropriate restrictions
→Add script-src directive with appropriate restrictions
→Add style-src directive with appropriate restrictions
→Consider implementing a stricter Content Security Policy
→Replace wildcards (*) with specific source lists

Beyond headers: infrastructure exposure

via OSN, our sister project

Security headers protect the browser. OSN maps what's exposed underneath — servers, open ports, known CVEs, DNS and WHOIS.

See what the internet sees about www.truist.comWeak headers often come with other exposure — check the full picture.

See full exposure report on OSN →Free, no signup.

www.truist.com

1 scan since 6/5/2026

D-

Latest: 43/100

Total Scans

Latest Score

43/100

First Scan

6/5/2026

Last Scan

6/5/2026

Security

43 / 100

Significant security weaknesses detected in CSP configuration.

Compliance

44 / 100

Major compliance issues — missing critical directives and headers.

Best Practices

20 / 100

Best practices largely absent — review CSP configuration.

Scan History

Date	Score	CSP	Headers	Issues	Action
Jun 5, 2026	D- (43)	Yes	3/7	15	View →

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