# Calix Security Rating, Vendor Risk Report, and Data Breaches

> This is a plain-markdown summary of [https://www.upguard.com/security-report/calix-ab](https://www.upguard.com/security-report/calix-ab), 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.

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.

## Overview
- Domain: calix.se
- Grade: B (Good)
- Score: 785 / 950
- Last scan: August 24, 2026
- Industry: Tech
- Website: https://www.calix.se
- Employees: 45
- Location: Sweden

## Vendor risk summary
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.

## 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 — 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

- Pass — DMARC policy is not p=none
  - DMARC reject policy provides the most effective protection against fraudulent emails being sent from a domain.
- Pass — DMARC policy exists
  - DMARC protects against fraudulent emails being sent from a domain.
- 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 — DMARC policy percentage is default
  - DMARC policy percentage is set to default 100%, ensuring all mail is covered by the policy.
- Pass — SPF ptr mechanism not used
  - Sender Policy Framework (SPF) record does not include the ptr mechanism.

### Network

- Fail — 'HTTP' port open
  - The 'HTTP' service is running and exposed to the internet. The configuration of the server should be reviewed and unnecessary ports closed.

### DNS

- 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 — No subdomain takeover vulnerability detected
  - No dangling DNS records that could lead to subdomain takeover were detected.
- Pass — Domain does not expire soon
  - Domain does not expire within 30 days.
- Pass — DNSSEC enabled
  - DNSSEC records prevent third parties from forging the records that guarantee a domain's identity.

### Data leakage

- Pass — No open cloud storage service detected
  - No cloud storage service configured to allow anonymous file listing was detected.
- Pass — Domain index is not a listable directory
  - The domain index is not a listable directory.

### 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.

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Full interactive report: https://www.upguard.com/security-report/calix-ab
Security Reports Policy: https://www.upguard.com/security-report-policy