What is the official website of EF Educational Tours ?

The official website of EF Educational Tours is http://www.EFTours.com.

What is EF Educational Tours's cybersecurity risk score?

EF Educational Tours has an AI-generated cybersecurity risk score of 764 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has EF Educational Tours experienced?

According to Rankiteo, EF Educational Tours currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has EF Educational Tours been affected by any supply chain cyber incidents ?

According to Rankiteo, EF Educational Tours has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.

Does EF Educational Tours have SOC 2 Type 1 certification ?

According to Rankiteo, EF Educational Tours is not certified under SOC 2 Type 1.

Does EF Educational Tours have SOC 2 Type 2 certification ?

According to Rankiteo, EF Educational Tours does not hold a SOC 2 Type 2 certification.

Does EF Educational Tours comply with GDPR ?

According to Rankiteo, EF Educational Tours is not listed as GDPR compliant.

Does EF Educational Tours have PCI DSS certification ?

According to Rankiteo, EF Educational Tours does not currently maintain PCI DSS compliance.

Does EF Educational Tours comply with HIPAA ?

According to Rankiteo, EF Educational Tours is not compliant with HIPAA regulations.

Does EF Educational Tours have ISO 27001 certification ?

According to Rankiteo,EF Educational Tours is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does EF Educational Tours operate in ?

EF Educational Tours operates primarily in the Travel Arrangements industry.

How many employees does EF Educational Tours have ?

EF Educational Tours employs approximately 1,076 people worldwide.

Does EF Educational Tours own any subsidiaries ?

EF Educational Tours presently has no subsidiaries across any sectors.

How many LinkedIn followers does EF Educational Tours have ?

EF Educational Tours's official LinkedIn profile has approximately 40,769 followers.

What is the NAICS classification code for EF Educational Tours ?

EF Educational Tours is classified under the NAICS code 5615, which corresponds to Travel Arrangement and Reservation Services.

Does EF Educational Tours have a Crunchbase profile ?

No, EF Educational Tours does not have a profile on Crunchbase.

Does EF Educational Tours have a LinkedIn profile ?

Yes, EF Educational Tours maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/ef-educational-tours.

How many cybersecurity incidents has EF Educational Tours experienced ?

As of July 17, 2026, Rankiteo reports that EF Educational Tours has not experienced any cybersecurity incidents.

How many peer or competitor companies does EF Educational Tours have ?

EF Educational Tours has an estimated 5,003 peer or competitor companies worldwide.

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764

/1000

Fair

789

/1000

Fair

EF Educational Tours Vendor Cyber Rating & Cyber Score

eftours.com

Add Your Compliance Badge

For over 50 years EF has been working toward one global mission: Opening the World Through Education. Our immersive educational travel opportunities give students the ultimate combination of knowledge and firsthand experiences to produce globally minded, career-focused citizens. EF Educational Tours offers hundreds of fully accredited educational itineraries to meaningful destinations around the world. At EF Explore America, our class trips are specially crafted to help students go beyond the ideas and experiences they know. Because the world is filled with endless potential. And we show your students that they are, too.

EET A.I CyberSecurity Scoring

Scoring History

EET

EF Educational Tours CyberSecurity News & History

Past Incidents

Attack Types

Entity

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Impact

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A.I.

EET Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

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Underwriter Stats for EET

Incidents vs Travel Arrangements Industry Avg (This Year)

No incidents recorded for EF Educational Tours in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for EF Educational Tours in 2026.

Incident Types EET vs Travel Arrangements Industry Avg (This Year)

No incidents recorded for EF Educational Tours in 2026.

Incident History - EET (X = Date, Y = Severity)

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SUBSIDIARY

EF Educational Tours Subsidiaries

EET

Travel Arrangements

Website: http://www.EFTours.com

Company Size: 1,076

EFEducation

EF English LiveE-Learning Providers

Business EnglishE-learning

EF Ultimate BreakLeisure, Travel & Tourism

Cultural Care Au PairIndividual and Family Services

EF Corporate LearningEducation Administration Programs

EF AcademyPrimary and Secondary Education

EF High School Exchange YearEducation Administration Programs

EF Go Ahead ToursTravel Arrangements

EF EFEKTA English for AdultsEducation Administration Programs

Ashridge HouseEvents Services

EF Study AbroadHigher Education

EF Pro CyclingSports Teams and Clubs

EF AdventuresTravel Arrangements

EF World JourneysTravel Arrangements

Efekta EducationSoftware Development

EF Educational Tours CanadaEducation

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NEWS

EF Educational Tours CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

November 13, 2020 08:00 AM

Class Action Litigation Related to COVID-19: Filed and Anticipated Cases (Updated November 9)

Although COVID-19 pandemic is still unfolding, class actions related to the coronavirus are already being filed in banking & Debt collection...

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-44453

SUMMARY

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 6b5370d, h2o is vulnerable to a Denial of Service attack when calling alloca under certain conditions. When serving static files, h2o builds the file path on stack, by calling alloca. The maximum size of the memory allocated using alloca can be as huge as ~600KB, which exceeds the default pthread stack size used by musl libc (128KB). If the amount of memory allocated by alloca exceeds the stack size, the h2o server crashes with a segmentation fault, while it tries to touch the guard page. This issue has been fixed by commit 6b5370d.

Published

Date2026-07-16

Updated

Date2026-07-16

RISK INFORMATION (Score: 7.5)

cvss3

Base Score: 7.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score

3.6

Exploitability

3.9

REFERENCES

CVE-2026-44452

SUMMARY

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it is NULL-terminated. This is a potential denial-of-service attack vector in sense that it might trigger segmentation violation. This issue has been fixed by commit 8dc37cb.

Published

Date2026-07-16

Updated

Date2026-07-16

RISK INFORMATION (Score: 5.9)

cvss3

Base Score: 5.9

Complexity: HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score

3.6

Exploitability

2.2

REFERENCES

CVE-2026-44436

SUMMARY

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, Quicly is vulnerable to a Denial of Service attack through connection state corruption. In QUIC Invariants, the maximum length of a Connection ID is 255 bytes, while QUIC version 1 further restricts the maximum to 20 bytes. Quicly implements QUIC version 1 and therefore its CID buffers are limited to 20 bytes. However, to be able to respond to unknown versions of QUIC, its packet decoder accepts Connection IDs of up to 255 bytes. As its CID buffers are merely 20 bytes long, Quicly must reject QUIC version 1 packets with Connection IDs longer than that. The command line tool bundled with Quicly has had that check, however the library itself lacked such enforcement. As a consequence, when used by applications that lack their own enforcement, the connection state becoming inconsistent to buffer overrun. Fortunately, the overflow stops within the allocated chunk of memory, but nevertheless, the bug leads to assertion failures. This issue has been fixed by commit 8b178e6.

Published

Date2026-07-16

Updated

Date2026-07-16

RISK INFORMATION (Score: 7.5)

cvss3

Base Score: 7.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score

3.6

Exploitability

3.9

REFERENCES

CVE-2026-44435

SUMMARY

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised when the total number of valid handshake messages received over a CRYPTO stream of a single packet number space exceeds 32KB, causing a Denial of Service. This issue has been fixed by commit 937d0e9.

Published

Date2026-07-16

Updated

Date2026-07-16

RISK INFORMATION (Score: 7.5)

cvss3

Base Score: 7.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score

3.6

Exploitability

3.9

REFERENCES

CVE-2026-44434

SUMMARY

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit dccf5d4, Quicly was vulnerable to stateless reset injection through lack of packet entry validation. The QUIC protocol is designed to withstand packet injection attacks, once the handshake is complete. Only packets that carry some secret patterns are considered as stateless resets. Quicly allows the peer to share up to 4 such patterns per connection. However, until now, it failed to determine which of the 4 slots that it uses to retain the secret patterns contains a valid entry. As the slots are zero-initialized, the failure meant that, unless the peer advertised 4 of such patterns, an all-zero pattern was treated as a stateless reset.In effect, this allowed an on-path attacker to reset QUIC connections governed by Quicly. This issue has been fixed by commit dccf5d4.

Published

Date2026-07-16

Updated

Date2026-07-16

RISK INFORMATION (Score: 5.3)

cvss3

Base Score: 5.3

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Impact Score

1.4

Exploitability

3.9

REFERENCES

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