What is the official website of COSMOTE Payments ?

The official website of COSMOTE Payments is https://www.cosmotepayments.gr/.

What is COSMOTE Payments's cybersecurity risk score?

COSMOTE Payments has an AI-generated cybersecurity risk score of 754 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has COSMOTE Payments experienced?

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

Has COSMOTE Payments been affected by any supply chain cyber incidents ?

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

Does COSMOTE Payments have SOC 2 Type 1 certification ?

According to Rankiteo, COSMOTE Payments is not certified under SOC 2 Type 1.

Does COSMOTE Payments have SOC 2 Type 2 certification ?

According to Rankiteo, COSMOTE Payments does not hold a SOC 2 Type 2 certification.

Does COSMOTE Payments comply with GDPR ?

According to Rankiteo, COSMOTE Payments is not listed as GDPR compliant.

Does COSMOTE Payments have PCI DSS certification ?

According to Rankiteo, COSMOTE Payments does not currently maintain PCI DSS compliance.

Does COSMOTE Payments comply with HIPAA ?

According to Rankiteo, COSMOTE Payments is not compliant with HIPAA regulations.

Does COSMOTE Payments have ISO 27001 certification ?

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

Which industry does COSMOTE Payments operate in ?

COSMOTE Payments operates primarily in the Financial Services industry.

How many employees does COSMOTE Payments have ?

COSMOTE Payments employs approximately None employees people worldwide.

Does COSMOTE Payments own any subsidiaries ?

COSMOTE Payments presently has no subsidiaries across any sectors.

How many LinkedIn followers does COSMOTE Payments have ?

COSMOTE Payments's official LinkedIn profile has approximately 922 followers.

What is the NAICS classification code for COSMOTE Payments ?

COSMOTE Payments is classified under the NAICS code 52, which corresponds to Finance and Insurance.

Does COSMOTE Payments have a Crunchbase profile ?

No, COSMOTE Payments does not have a profile on Crunchbase.

Does COSMOTE Payments have a LinkedIn profile ?

Yes, COSMOTE Payments maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/cosmotepayments.

How many cybersecurity incidents has COSMOTE Payments experienced ?

As of August 2, 2026, Rankiteo reports that COSMOTE Payments has experienced 1 cybersecurity incidents.

How many peer or competitor companies does COSMOTE Payments have ?

COSMOTE Payments has an estimated 32,429 peer or competitor companies worldwide.

What types of cybersecurity incidents has COSMOTE Payments faced ?

Incident Types: The types of cybersecurity incidents that have occurred include Data Leak.

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COSMOTE Payments

Boost Score +25 with badge (5 left)

754

/1000

Fair

779

/1000

Fair

COSMOTE Payments Vendor Cyber Rating & Cyber Score

cosmotepayments.gr

Add Your Compliance Badge

COSMOTE Payments, a 100% subsidiary of OTE S.A., came into existence as an e-money institution licensed by the Bank of Greece in 2020. Being a new fintech, our goal is to design and provide new innovative products to consumers and companies while operating in a startup-like environment. We aim to become the digital provider of everyday life use cases that creates new lasting trends in the way people and business interact financially. We started off by developing and delivering acquiring, processing, and settlement services for card payments (in short card acquiring services). Card acquiring services are currently offered to OTE Group of Companies both for online and retail stores enabling the latter to accept payments from their end

COSMOTE Payments A.I CyberSecurity Scoring

Scoring History

COSMOTE Payments

COSMOTE Payments CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

COSMOTE Payments

Data Leak

10/2020

COS163010523

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A.I.

COSMOTE Payments 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

Access Monitoring Plan

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Underwriter Stats for COSMOTE Payments

Incidents vs Financial Services Industry Avg (This Year)

No incidents recorded for COSMOTE Payments in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for COSMOTE Payments in 2026.

Incident Types COSMOTE Payments vs Financial Services Industry Avg (This Year)

No incidents recorded for COSMOTE Payments in 2026.

Incident History - COSMOTE Payments (X = Date, Y = Severity)

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SUBSIDIARY

COSMOTE Payments Subsidiaries

COSMOTE Payments

Financial Services

Website: https://www.cosmotepayments.gr/

Company Size: None employees

OTE Group of Companies (HTO)Telecommunications

Cosmote eValueOutsourcing and Offshoring Consulting

COSMOTETelecommunications

GermanosRetail

COSMOTE Technical ServicesTelecommunications

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NEWS

COSMOTE Payments CyberSecurity News

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

September 22, 2025 07:00 AM

Safetech Innovations subcontracted in EU's EUR 177 million FREIA framework for professional cybersecurity services

Tech - Safetech Innovations (BVB: SAFE) announces its participation as a subcontractor in an international consortium that will be involved...

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-18556

SUMMARY

Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects N-central: through 2026.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 8.2

Complexity: HIGH

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

https://uptime.n-able.com/

CVE-2026-55735

SUMMARY

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification (it only base64-decodes the JWT header and payload). The resulting unverified claims are forwarded directly to the configured token module's revoke callback and the implementation's on_revoke callback, a state-mutating sink. The sibling operations refresh/2 and exchange/4 both call decode_and_verify first, so the signature is checked before anything acts on the claims; revoke/3 is the only state-mutating path that acts on claims without verifying the signature. An attacker who knows or guesses a victim's identifying claim values (jti, sub) can forge a JWT carrying those claims, sign it with an arbitrary key, and submit it to any endpoint that funnels a caller-supplied token into Guardian.revoke/3 (the standard logout / session-revocation pattern). When the token module mutates state keyed by the claims (whitelist deletion or blacklist insertion, for example a GuardianDb-style store), the victim's legitimate session is evicted. This is an unauthenticated session-revocation denial of service; the attacker never needs the signing secret. This issue affects guardian: from 1.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 8.2

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-55734

SUMMARY

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian (Guardian.Permissions module) allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines 'Elixir.Guardian.Permissions':encode_permissions!/1, 'Elixir.Guardian.Permissions':encode_permissions_into_claims!/2, 'Elixir.Guardian.Permissions':do_encode_permissions!/2. The Guardian.Permissions mixin installs a public encode_permissions!/1 function on every module that does use Guardian.Permissions. For each key of the supplied map, encode_permissions!/1 calls String.to_atom(to_string(k)) before any validation runs. The integer-value clause of do_encode_permissions!/2 then short-circuits straight to encoding without validating the key against the configured permission set, so a key with an integer value is interned as a fresh atom with no exception raised. Atoms are never garbage collected and the BEAM atom table is a fixed-size resource (default roughly 1,048,576 entries), so each unique attacker-chosen key permanently consumes one slot. An attacker who can influence a permission map that reaches encode_permissions!/1 (for example a permissions map read from a request body and passed into token issuance via encode_permissions_into_claims!/2) can mint an unbounded number of atoms and exhaust the atom table, crashing the entire BEAM node and every service running on it. The sibling decode_permissions/1 is not affected because it skips keys absent from the configured permission set. This issue affects guardian: from 2.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-55733

SUMMARY

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.to_atom/1. When encode/3 in lib/guardian/permissions/atom_encoding.ex is called with a list, each binary entry is handled by the encode_value/3 binary clause, which calls String.to_atom(value) with no allow-list check. The perm_set argument (the application's small, finite set of legitimate permission names) is discarded, so any external string flows straight into atom creation. This encoder is selected with use Guardian.Permissions, encoding: Guardian.Permissions.AtomEncoding and reached through the imported encode/3 entry point. String.to_atom/1 creates a brand-new atom for every previously unseen binary, atoms are never garbage collected, and the BEAM atom table is fixed at roughly 1,048,576 entries by default. An application that funnels attacker-influenced permission scopes (from a request body, a JWT claim, or other external input) into encode/3 therefore mints one permanent atom per distinct value. A modest stream of varied, unauthenticated input permanently consumes the atom table and crashes the BEAM node with system_limit, taking down every application running on it. The default encoder is Guardian.Permissions.BitwiseEncoding, which is not affected. This issue affects guardian: from 2.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-54894

SUMMARY

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.to_atom/1. base_key/1 in lib/guardian/plug/keys.ex converts any binary into the atom :"guardian_<input>", and the derived helpers claims_key/1, resource_key/1, and token_key/1 create a second atom on top of that. key_from_other/1 likewise converts a regex-captured binary through String.to_atom/1. The public specs advertise String.t() as a valid argument, so passing a string is documented usage, and higher-level entry points such as Guardian.Plug.current_token(conn, key: key) thread the caller-supplied key straight into these functions. String.to_atom/1 creates a brand-new atom for every previously unseen binary, atoms are never garbage collected, and the BEAM atom table is fixed at roughly 1,048,576 entries by default. An application that routes attacker-influenced data (a tenant identifier, header, or other request input) into a Guardian key therefore mints one permanent atom per distinct value. A modest stream of varied, unauthenticated input permanently consumes the atom table and crashes the BEAM node, taking down every application running on it. This issue affects guardian: from 0.1.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

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