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L3Harris

Aerojet Rocketdyne manufactures propulsion systems and armaments for space, missile defense, strategic, and tactical applications. The company produces liquid and solid rocket engines, hypersonic engines, and electric propulsion systems for government and commercial customers. UpGuard continuously monitors the security posture of L3Harris using open-source, commercial, and proprietary threat intelligence feeds. Our analysis is centered on objective, externally verifiable information.

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L3Harris Security Rating

L3Harris'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 L3Harris.

Company info

L3Harris
Company L3Harris Employees 46k+ Location Melbourne, FL, United States CEO Chris Kubasik Last updated May 14, 2026

Last updated May 14, 2026

L3Harris Vendor Risk Report

This vendor risk report is based on UpGuard's continuous monitoring of L3Harris'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.

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Email

L3Harris

DMARC policy is not p=none

DMARC reject policy provides the most effective protection against fraudulent emails being sent from a domain.

DMARC policy exists

DMARC protects against fraudulent emails being sent from a domain.

Strict SPF filtering - not using +all

Sender Policy Framework (SPF) record strictly enforces specific domains allowed to send email on its behalf.

SPF syntax correct

Sender Policy Framework (SPF) record passes basic syntax checks.

DMARC policy percentage is default

DMARC policy percentage is set to default 100%, ensuring all mail is covered by the policy.

SPF ptr mechanism not used

Sender Policy Framework (SPF) record does not include the ptr mechanism.

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Network

L3Harris

No ports are open

No open ports were detected.

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DNS

L3Harris

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.

Domain registrar or registry deletion protection not enabled

Domain is not protected from unsolicited deletion requests with the registrar or registry. The domain should have clientDeleteProhibited or serverDeleteProhibited set.

Domain registrar or registry update protection not enabled

Domain is not protected from unsolicited update requests with the registrar or registry. The domain should have clientUpdateProhibited or serverUpdateProhibited set.

No unregistered MX records detected

No unregistered MX records that could lead to receiving mail on behalf of the target organization were detected.

Domain has not expired

Domain has not expired.

Domain does not expire soon

Domain does not expire within 30 days.

Domain not flagged as inactive

Domain is not flagged as inactive.

Domain not pending deletion

Domain is not pending deletion with the registrar.

Domain not pending restoration

Domain is not pending restoration with the registrar.

Domain registrar or registry transfer protection enabled

Domain is protected from unsolicited transfer requests.

Domain free of registrar DNS resolution hold

Domain is not under a DNS resolution hold with the registrar.

Domain free of registry DNS resolution hold

Domain is not under a DNS resolution hold with the registry itself.

Domain renewal not prohibited by registry

Domain is not prohibited from renewal at the registry itself.

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IP/Domain Reputation

L3Harris

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.

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.

No reports of malware distribution in the last 30 days

This IP/domain has been reported for distributing malware in the last 30 days.

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.

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.

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.

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.

No reports of malware distribution in the last 90 days

This IP/domain has been reported for distributing malware in the last 90 days.

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.

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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Security reports related to L3Harris

Compare L3Harris's security performance with other companies in their industry.

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Website Security scan results table Cyber security rating score 850 out of 950