What is the official website of Nielsen ?

The official website of Nielsen is http://nlsn.co/6006JMfty.

What is Nielsen's cybersecurity risk score?

Nielsen has an AI-generated cybersecurity risk score of 804 out of 1000, indicating a Good security posture according to Rankiteo's assessment.

How many security incidents has Nielsen experienced?

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

Has Nielsen been affected by any supply chain cyber incidents ?

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

Does Nielsen have SOC 2 Type 1 certification ?

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

Does Nielsen have SOC 2 Type 2 certification ?

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

Does Nielsen comply with GDPR ?

According to Rankiteo, Nielsen is not listed as GDPR compliant.

Does Nielsen have PCI DSS certification ?

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

Does Nielsen comply with HIPAA ?

According to Rankiteo, Nielsen is not compliant with HIPAA regulations.

Does Nielsen have ISO 27001 certification ?

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

Which industry does Nielsen operate in ?

Nielsen operates primarily in the Software Development industry.

How many employees does Nielsen have ?

Nielsen employs approximately 29,059 people worldwide.

Does Nielsen own any subsidiaries ?

Nielsen presently has no subsidiaries across any sectors.

How many LinkedIn followers does Nielsen have ?

Nielsen's official LinkedIn profile has approximately 1,387,216 followers.

What is the NAICS classification code for Nielsen ?

Nielsen is classified under the NAICS code 5112, which corresponds to Software Publishers.

Does Nielsen have a Crunchbase profile ?

Yes, Nielsen has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/nielsen.

Does Nielsen have a LinkedIn profile ?

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

How many cybersecurity incidents has Nielsen experienced ?

As of August 2, 2026, Rankiteo reports that Nielsen has not experienced any cybersecurity incidents.

How many peer or competitor companies does Nielsen have ?

Nielsen has an estimated 30,520 peer or competitor companies worldwide.

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Nielsen

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804

/1000

Good

829

/1000

Good

Nielsen Vendor Cyber Rating & Cyber Score

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Nielsen shapes the world’s media and content as a global leader in audience insights, data and analytics. Through our understanding of people and their behaviors across all channels and platforms, we empower our clients with independent and actionable intelligence so they can connect and engage with their audiences—now and into the future. Nielsen operates around the world in more than 55 countries. Learn more at http://nlsn.co/6006JMfty and connect with us on social media (LinkedIn, Twitter, Facebook and Instagram).

Nielsen A.I CyberSecurity Scoring

Scoring History

Nielsen

Nielsen CyberSecurity News & History

Past Incidents

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A.I.

Nielsen 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 Nielsen

Incidents vs Software Development Industry Avg (This Year)

No incidents recorded for Nielsen in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Nielsen in 2026.

Incident Types Nielsen vs Software Development Industry Avg (This Year)

No incidents recorded for Nielsen in 2026.

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

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SUBSIDIARY

Nielsen Subsidiaries

Nielsen

Software Development

Website: http://nlsn.co/6006JMfty

Company Size: 10,001+ employees

Nielsen Business Inclusion, Impact and BelongingTechnology, Information and Media

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NEWS

Nielsen CyberSecurity News

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

March 09, 2026 07:44 AM

BARC India and Nielsen Collaborate to Launch BARC, Nielsen ONE Ads Revolutionizing Cross-Media Measurement

In a first-of-its-kind move for the Indian advertising ecosystem, BARC India and Nielsen have announced today the launch of BARC | Nielsen...

Read Article

February 09, 2026 08:00 AM

Nancy Guthrie disappearance: Former CIA agent says one mistake could crack case

A "mistake" by abductors may be the key to finding Nancy Guthrie, according to cybersecurity experts who believe human error will eventually...

Read Article

February 03, 2026 08:00 AM

Paul Nielsen to Conclude Over Two Decades of Guiding the SEI's Growth and Success

Paul Nielsen will transition out of his role as director and chief executive officer of the Software Engineering Institute (SEI) at Carnegie...

Read Article

February 02, 2026 08:00 AM

Tim Nielsen of Radware Recognized in 2026 CRN Channel Chiefs List for Leadership in Partner Ecosystem

Tim Nielsen of Radware recognized in CRN's 2026 Channel Chiefs list for contributions to channel strategy and innovation.

Read Article

February 02, 2026 08:00 AM

Radware dealmaker behind $40B channel alliances lands CRN honor

Nielsen grew Radware's partner-led pipeline over 200% and built alliances tied to $40B in cybersecurity revenue, with customer wins routed...

Read Article

February 02, 2026 08:00 AM

Tim Nielsen of Radware Honored as a 2026 CRN® Channel Chief

MAHWAH, N.J., Feb. 02, 2026 (GLOBE NEWSWIRE) -- Radware® (NASDAQ: RDWR), a global leader in application security and delivery solutions for...

Read Article

December 18, 2025 08:00 AM

SBS CyberSecurity Appoints CFO and Announces Sales Team Enhancements

PRNewswire/ -- SBS CyberSecurity, a leading and trusted governance, risk, and compliance (GRC) partner in cybersecurity consulting, testing,...

Read Article

September 22, 2025 04:18 AM

Kirstjen Nielsen, SFS Alumna, Confirmed as Secretary of Homeland Security

The U.S. Senate confirmed Georgetown alumna Kirstjen Nielsen (SFS '94) as secretary of the Department of Homeland Security by a 62-37 vote Tuesday.

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September 08, 2025 07:00 AM

Government, CMU and SEI Leaders Celebrate 40 Years of Advancing Software for National Security - News

Carnegie Mellon University President Farnam Jahanian and other leaders from the university, the federal government and the CMU Software...

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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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