Skip to main content

Security report for sophos.com

Sophos · Technology · United Kingdom

Partial score · DNS & email only

75/100

0–100, higher is better. How it is calculated

Sophos is a leading enterprise cybersecurity company specializing in adaptive defenses and managed security services, including endpoint protection, network security, cloud security, and email protection. The company holds a strong market position supported by multiple Gartner recognitions and a large global customer base. Their website reflects a mature digital presence with comprehensive content, strong branding, and a focus on AI-driven cybersecurity solutions. Technically, the site is built on Drupal 10 and leverages modern marketing and analytics tools, but suffers from slow performance and critical SSL/TLS configuration issues. Security posture is weakened by an invalid SSL certificate and lack of HTTPS enforcement, which poses significant risks to user trust and data protection. Privacy compliance is well addressed with clear policies and consent mechanisms. Overall, Sophos demonstrates strong business credibility and professionalism but must urgently address its SSL and security header deficiencies to maintain trust and security.

Scanned

This is an earlier scan of sophos.com. View the latest report
3 of 7 checks could not complete. The site may be unreachable or blocking automated scans, so the results below cover only what could be checked. Try a rescan later.

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

No critical or high findings. These medium findings are worth fixing next.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Medium

      No MTA-STS Policy

      MTA-STS enforces TLS for email delivery

      What to do: Implement MTA-STS to prevent downgrade attacks

  2. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

Keep watching sophos.com

This scan found 5 issues across 3 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
100
Email security
87
DNS health
85
Network security
100
Average
93
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • GDPR outside view: did not complete in this scan.
  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Sophos operates as an essential technology entity in the cybersecurity sector, targeting businesses requiring advanced threat protection and managed detection and response services. Their business model combines product sales with managed security services, supported by a global partner ecosystem and subsidiary Secureworks. The company emphasizes AI and integration capabilities, positioning itself as a leader in cybersecurity innovation. Revenue streams likely include software licenses, subscriptions, and professional services. The website content and structure indicate a focus on enterprise and mid-market customers, with extensive resources, training, and support offerings. Strategic acquisitions and partnerships enhance their market reach and service portfolio.

Security posture

The website's security posture reveals a mix of strengths and critical weaknesses. While the domain employs DMARC with a quarantine policy and shows no signs of common SSL/TLS vulnerabilities like Heartbleed or POODLE, the SSL certificate is invalid or missing, and no TLS protocols are enabled, severely undermining secure communications. The absence of HSTS and OCSP stapling further weakens HTTPS security. No security headers are detected, which could expose the site to clickjacking, MIME sniffing, and other attacks. The site uses secure forms and consent mechanisms, but the lack of HTTPS is a critical issue that must be resolved immediately to protect user data and maintain compliance. Incident response and vulnerability disclosure information are not clearly found, indicating potential gaps in transparency.

Recommendations

  1. Immediately fix the SSL certificate to enable valid HTTPS connections.
  2. Enable modern TLS protocols (TLS 1.2 and TLS 1.3) and disable deprecated protocols.
  3. Implement HTTP Strict Transport Security (HSTS) with includeSubDomains and preload directives.
  4. Add essential security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Publish clear vulnerability disclosure and incident response policies to enhance transparency and trust.
Technical notes

Notes

The website is built on Drupal 10 CMS, hosted via Akamai CDN and DNS infrastructure, and integrates multiple third-party marketing and analytics tools including Google Tag Manager, Drift Chat, Eloqua, OneTrust, and Visual Website Optimizer. The site is mobile optimized and accessible with good SEO practices. However, the page load time is slow (over 12 seconds) with a large page size (~1.3MB) and high resource count (334), indicating potential optimization opportunities. The invalid SSL certificate and lack of HTTPS support represent significant technical debt and security risk. Modernizing the SSL/TLS configuration and optimizing performance would improve both security and user experience.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 69/100Medium12 findings · partial scanView report
  2. 72/100Medium12 findings · partial scanView report
Reviews of this site

Share your experience with sophos.com. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review sophos.com.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.