# Pfizer Security Rating, Vendor Risk Report, and Data Breaches > This is a plain-markdown summary of [https://www.upguard.com/security-report/arenapharm](https://www.upguard.com/security-report/arenapharm), generated for AI agents and LLMs. Security scores and check results reflect UpGuard's independent analysis and are kept in sync with the source page. Visit the source URL for the full interactive report. Arena Pharmaceuticals is a biopharmaceutical company focused on developing and commercializing therapeutic treatments for various medical conditions. The company conducts research and clinical trials to advance drug candidates targeting immune-inflammatory and cardiovascular diseases. ## Overview - Domain: arenapharm.com - Grade: B (Good) - Score: 799 / 950 - Last scan: August 22, 2026 - Industry: Healthcare - Website: https://www.pfizer.com - Employees: 79k+ - Location: New York, NY, United States - CEO: Albert Bourla ## Vendor risk summary This vendor risk report is based on UpGuard's continuous monitoring of Pfizer's security posture using open-source, commercial, and proprietary threat intelligence feeds. The results are summarized into a security rating based on the analysis of hundreds of individual checks across five risk categories: website security, email security, phishing & malware, brand & reputation risk, and network security. ## Security categories ### Website Security - Pass — Server information header not exposed - Ensuring the server information header is not exposed reduces the ability of attackers to exploit certain vulnerabilities. - Pass — X-Powered-By header not exposed - Information about specific technology used on the server is obscured. - Pass — Referrer policy is not unsafe-url - The website's Referrer Policy is not configured to allow unsafe information to be sent in the referrer header. - Pass — ASP.NET version header not exposing specific ASP.net version - Ensuring the ASP.NET version header is not exposing a specific version makes it harder for attackers to exploit certain vulnerabilities. - Pass — ASP.NET version header not exposed - Ensuring the ASP.NET version header is not exposed makes it harder for attackers to exploit certain vulnerabilities. - Pass — No unmaintained page detected - The page appears to be maintained. ### Email - Fail — DMARC policy not found - DMARC policy was not found. This makes it easier for attackers to send email from this domain. A DMARC policy should be deployed for this domain. - Pass — SPF enabled - Sender Policy Framework (SPF) records prevent spammers from sending messages with forged addresses. - Pass — Strict SPF filtering - not using +all - Sender Policy Framework (SPF) record strictly enforces specific domains allowed to send email on its behalf. - Pass — SPF syntax correct - Sender Policy Framework (SPF) record passes basic syntax checks. - Pass — SPF ptr mechanism not used - Sender Policy Framework (SPF) record does not include the ptr mechanism. ### Network - Pass — No ports are open - No open ports were detected. ### DNS - Fail — DNSSEC not enabled - DNSSEC records prevent third parties from forging the records that guarantee a domain's identity. DNSSEC should be configured for this domain. - Pass — No unregistered MX records detected - No unregistered MX records that could lead to receiving mail on behalf of the target organization were detected. - Pass — Domain has not expired - Domain has not expired. - Pass — Domain does not expire soon - Domain does not expire within 30 days. - Pass — Domain not flagged as inactive - Domain is not flagged as inactive. - Pass — Domain not pending deletion - Domain is not pending deletion with the registrar. - Pass — Domain not pending restoration - Domain is not pending restoration with the registrar. - Pass — Domain registrar or registry deletion protection enabled - Domain is protected from unsolicited deletion requests with the registrar or registry. - Pass — Domain registrar or registry transfer protection enabled - Domain is protected from unsolicited transfer requests. - Pass — Domain registrar or registry update protection enabled - Domain is protected from unsolicited update requests with the registrar or registry. - Pass — Domain free of registrar DNS resolution hold - Domain is not under a DNS resolution hold with the registrar. - Pass — Domain free of registry DNS resolution hold - Domain is not under a DNS resolution hold with the registry itself. - Pass — Domain renewal not prohibited by registry - Domain is not prohibited from renewal at the registry itself. ### Encryption - Fail — HTTPS redirect not supported - HTTPS is the standard protocol for secure communication on the internet. All redirects should be performed over HTTPS. - Pass — HTTP requests are redirected to HTTPS - All HTTP requests are redirected to HTTPS. ### IP/Domain Reputation - Pass — No reports of botnet activity in the last 30 days - This IP/domain has not been reported as a source of botnet activity in the last 30 days. - Pass — No reports of brute force login attempts in the last 30 days - This IP/domain did not appear on any list of IPs and domains known to perform brute force login attempts in the last 30 days. - Pass — No reports of malware distribution in the last 30 days - This IP/domain has been reported for distributing malware in the last 30 days. - Pass — No reports of unsolicited scanning in the last 30 days - This IP/domain has not been reported for performing unsolicited scanning in the last 30 days. - Pass — No reports of phishing activity in the last 30 days - This IP/domain has not been reported as a phishing site in the last 30 days. - Pass — No reports of botnet activity in the last 90 days - This IP/domain has not been reported as a source of botnet activity in the last 90 days. - Pass — No reports of brute force login attempts in the last 90 days - This IP/domain did not appear on any list of IPs and domains known to perform brute force login attempts in the last 90 days. - Pass — No reports of malware distribution in the last 90 days - This IP/domain has been reported for distributing malware in the last 90 days. - Pass — No reports of unsolicited scanning in the last 90 days - This IP/domain has not been reported for performing unsolicited scanning in the last 90 days. - Pass — No reports of phishing activity in the last 90 days - This IP/domain has not been reported as a phishing site in the last 90 days. --- Full interactive report: https://www.upguard.com/security-report/arenapharm Security Reports Policy: https://www.upguard.com/security-report-policy