Is cancer.gov legit or a scam?
The official U.S. government portal for the National Cancer Institute, providing authoritative medical research and clinical trial information with a perfect security record.
Analysis Summary
No threats detected
All checks passed. This site appears legitimate — but always stay alert for phishing even on trusted domains.
Website Preview
Automated page render — captured in a safe sandbox. What an ordinary visitor would see when loading the site.
MT Intelligence
The domain is an official .gov site, which is restricted to verified government entities in the United States. Our analysis shows the domain has been active for over 26 years, reflecting its long-standing role as a federal institution. Every antivirus engine in our network confirms the site is clean, and its hosting infrastructure is tied to the National Institutes of Health. The page content correctly identifies its affiliation with the Department of Health and Human Services. There are no indicators of phishing, malware, or deceptive practices.
Web Research Findings
Our live research agent queries scam-report databases, consumer-review sites, news coverage, and general web search for cancer.gov, then cross-checks business-registration records and look-alike domain patterns. Everything below is pulled from what it actually found.
- cancer.gov is the official website of the National Cancer Institute (NCI), the U.S. federal government's principal agency for cancer research and training, part of NIH and HHS.
- Homepage explicitly states "An official website of the United States government" and provides comprehensive, accurate cancer information.
- NCI was established on January 21, 1944; domain has been registered since at least 1999 (age ~9796 days aligns with long-established government site).
- No scam reports, fraud complaints, or negative mentions found associating cancer.gov itself with phishing, malware, or impersonation.
- NCI actively publishes content warning about cancer treatment scams and unproven cures (e.g., FTC video on anatomy of a cancer treatment scam).
- Reddit users in cancer-related communities frequently reference and recommend cancer.gov and clinicaltrials.gov as trusted resources for information and trials.
- No business registration as a private entity; it is a public federal agency with active operations, leadership, and congressional mandates.
- NIH.govopen
"The National Cancer Institute (NCI) is the federal government's principal agency for cancer research and training."
- USA.govopen
"The National Cancer Institute (NCI) conducts and supports research, training, health information distribution, and other programs related to the cause."
- Wikipediaopen
"The National Cancer Institute (NCI) coordinates the United States National Cancer Program and is part of the National Institutes of Health (NIH). Website: www.cancer.gov"
Federal government agency (National Cancer Institute under NIH/HHS); established 1944; operates cancer.gov as official U.S. government website
Antivirus Engines
Security Scans
Checked against the major public blocklists used by browsers and security tools — no hits.
Contact Verification
We fetched the page and looked for real-world contact details. Legitimate businesses almost always publish an email on their own domain, a phone number, and a postal address. Scam shops usually don't.
- No email uses the site's own domain — legitimate shops usually do.
- No phone number listed on the page.
- No postal address visible on the page.
- Links to 5 social profiles.
Domain & Encryption
Redirect Chain
- 1301http://cancer.gov/
- 2200https://www.cancer.gov/cross-domain
Server Reputation
Still, stay alert
No major threat indicators — but a clean scan does not guarantee every page is safe, and phishing emails routinely spoof real domains.
- Double-check the exact URL in your address bar
Confirm you are actually on cancer.gov and not a lookalike like c-ancer.gov.com or an IDN homoglyph.
- Use a password manager
Password managers only auto-fill on the exact domain they were saved for — they refuse to fill lookalike domains, which is the single best phishing defence.
- OpenDiscuss this site on the forum
If you have first-hand experience with this site — good or bad — share it with the MalwareTips community.
Reputation Sources
How this domain rates across independent threat-intelligence and blocklist providers.
Referenced Domains
Outbound domains this page links to or loads resources from. Each links to its own security scan.
Safety FAQ
Common questions about this site, answered directly from the scan data above — so the answers always reflect the latest verdict on this page.
- Our automated security review found no threat indicators on cancer.gov. The site appears legitimate based on the signals we checked, but always stay alert for phishing emails that spoof real domains.
- cancer.gov passed our automated security checks with a trust score of 96/100. No antivirus engines or major blacklists flagged the site at the time of the last scan.
- Yes. cancer.gov presents a valid TLSv1.2 certificate issued by DigiCert Inc · DigiCert Global G2 TLS RSA SHA256 2020 CA1, expiring in 83 days. Note that SSL only encrypts the connection — it does not guarantee that the site itself is trustworthy.
- cancer.gov is 26.8 years old, registered on 8/23/1999 through get.gov. Scam domains are often freshly registered — a site under 6 months old warrants extra caution.
- No. All 92 antivirus engines in our malware network report cancer.gov as clean.
- No. cancer.gov is not currently listed on the major browser blocklist feeds that modern browsers use.
- cancer.gov resolves to an IP operated by National Cancer Institute in US (usage type: Government). Hosting location alone doesn't make a site good or bad, but unusual geography for a brand's claimed country is one of many signals we weigh.
- Yes. cancer.gov sits in the global top-100k on Cloudflare Radar, which means it has substantial real-world traffic. That does not automatically make it safe, but established brands almost always rank here and throwaway scam domains almost never do.
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