Calix AB manufactures vehicle heating and power solutions for both traditional internal combustion engines and electric vehicles. The company produces thermal management systems including engine heaters, cab heaters, battery heaters, along with power handling products such as chargers and voltage converters for OEM and aftermarket customers across automotive, construction, agriculture, and industrial sectors. UpGuard continuously monitors the security posture of Calix using open-source, commercial, and proprietary threat intelligence feeds. Our analysis is centered on objective, externally verifiable information.
Calix's security rating is based on the analysis of their external attack surface. The higher the rating, the better their security posture. Start a free trial to get a more in-depth risk assessment for Calix.
Last updated June 25, 2026
This vendor risk report is based on UpGuard's continuous monitoring of Calix'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.
Ensuring the server information header is not exposed reduces the ability of attackers to exploit certain vulnerabilities.
Information about specific technology used on the server is obscured.
Ensuring the ASP.NET version header is not exposing a specific version makes it harder for attackers to exploit certain vulnerabilities.
Ensuring the ASP.NET version header is not exposed makes it harder for attackers to exploit certain vulnerabilities.
The page appears to be maintained.
DMARC reject policy provides the most effective protection against fraudulent emails being sent from a domain.
DMARC protects against fraudulent emails being sent from a domain.
Sender Policy Framework (SPF) record strictly enforces specific domains allowed to send email on its behalf.
Sender Policy Framework (SPF) record passes basic syntax checks.
DMARC policy percentage is set to default 100%, ensuring all mail is covered by the policy.
Sender Policy Framework (SPF) record does not include the ptr mechanism.
The 'HTTP' service is running and exposed to the internet. The configuration of the server should be reviewed and unnecessary ports closed.
No unregistered MX records that could lead to receiving mail on behalf of the target organization were detected.
Domain has not expired.
No dangling DNS records that could lead to subdomain takeover were detected.
Domain does not expire within 30 days.
DNSSEC records prevent third parties from forging the records that guarantee a domain's identity.
Ensuring WordPress plugin versions are not exposed can make it harder for attackers to find exploits against your site.
Exposing the list of users on a WordPress site (via the WP-JSON API) can assist attackers in brute forcing credentials, as well as constitute a privacy risk.
No listable directories were found on the server.
No cloud storage service configured to allow anonymous file listing was detected.
The domain index is not a listable directory.
This IP/domain has not been reported as a source of botnet activity 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.
This IP/domain has been reported for distributing malware in the last 30 days.
This IP/domain has not been reported for performing unsolicited scanning in the last 30 days.
This IP/domain has not been reported as a phishing site in the last 30 days.
This IP/domain has not been reported as a source of botnet activity 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.
This IP/domain has been reported for distributing malware in the last 90 days.
This IP/domain has not been reported for performing unsolicited scanning in the last 90 days.
This IP/domain has not been reported as a phishing site in the last 90 days.
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