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Comparison Overview

HollerHoller
VS
SEOSEO
Holler

Holler

Avonmore Road, London, undefined, W14 8HQ, GB

Last Update: 19/02/2026

View Profile
Between 750 and 799
http://www.holler.co.uk
750/1000Fair

We're a digital agency, part of the Leo Burnett Group, with offices in London, and soon in Chicago and Silicon Valley. We enable brands to realise their ambitions through a digital entertainment strategy. We create and deliver engaging content and make brands fam...

NAICS:541613
NAICS Definition:Marketing Consulting Services
Employees:39
Subsidiaries:86
12-month incidents
0
Known data breaches
0
Attack type number
0
SEO

SEO

Melbourne, 3121, AU

Last Update: 14/09/2026

View Profile
Between 750 and 799
https://seo.com.au
768/1000Fair

It’s been over 15 years since SEO.com.au started, and we’re proud to say we lead the way because we’ve got the experience and the talent to get you great results. What makes us work? Quite honestly, it’s the relationships we build with our clients that let us achieve wh...

NAICS:541613
NAICS Definition:Marketing Consulting Services
Employees:10,298
Subsidiaries:0
12-month incidents
0
Known data breaches
0
Attack type number
0

Compliance Ranges Comparison

Based On Specific Ai Models Category
Holler

Holler

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA
SEO

SEO

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA

Benchmark & Cyber Underwriting Signals

Incidents vs Advertising Services Industry Avg (This Year)

No incidents recorded for Holler in 2026.

Incidents

Incidents vs Advertising Services Industry Avg (This Year)

No incidents recorded for SEO in 2026.

Incidents

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

Holler cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

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

SEO cyber incidents detection timeline including parent company and subsidiaries.

No timeline data available
R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
Holler

Holler

Incidents
No explicit notable incidents reported.
SEO

SEO

Incidents
No explicit notable incidents reported.

FAQ

Between Holler company and SEO company, which one has the best AI Cybersecurity Score ?
Between Holler company and SEO company, which one has experienced more cyber incidents in the past ?
Between Holler company and SEO company, which one has experienced more cyber incidents this year ?
Between Holler company and SEO company, which one has experienced at least one ransomware attack ?
Between Holler company and SEO company, which one has experienced at least one data breach ?
Between Holler company and SEO company, which one has experienced at least one targeted cyberattack ?
Between Holler company and SEO company, which one has experienced at least one vulnerability ?
Between Holler company and SEO company, which one holds the most compliance certifications ?
Between Holler company and SEO company, which one holds the fewest compliance certifications ?
Between Holler company and SEO company, which one has the most subsidiaries ?
Between Holler company and SEO company, which one has the largest number of employees ?
Between Holler and SEO, which company holds both SOC 2 Type 1 certifications ?
Between Holler and SEO, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - Holler or SEO ?
Which company is PCI DSS compliant - Holler or SEO ?
Between Holler and SEO, which company complies with HIPAA regulations for healthcare data ?
Between Holler and SEO, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-103047
SUMMARY

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS. This issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.

PUBLISHED
Date2026-09-29
UPDATED
Date2026-09-29
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES
CVE-2026-103046
SUMMARY

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - WikiLambda extension allows Stored XSS. This issue affects MediaWiki - WikiLambda extension: before 1.46.1.

PUBLISHED
Date2026-09-29
UPDATED
Date2026-09-29
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES
CVE-2026-103045
SUMMARY

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Refreshed skin allows Stored XSS. This issue affects Mediawiki - Refreshed skin: before 1.46.1, 1.45.5, 1.43.10.

PUBLISHED
Date2026-09-29
UPDATED
Date2026-09-29
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES
CVE-2026-103044
SUMMARY

XML injection (aka blind XPath injection) vulnerability in The Wikimedia Foundation Mediawiki - EasyTimeline extension allows XML Injection. This issue affects Mediawiki - EasyTimeline extension: before 1.46.1, 1.45.5, 1.43.10.

PUBLISHED
Date2026-09-29
UPDATED
Date2026-09-29
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES
CVE-2026-103043
SUMMARY

anchorme through 3.0.8 contains a regular expression denial of service vulnerability in the IPv6 host extraction regex due to catastrophic backtracking. Attackers can supply specially crafted input strings with repeated patterns to cause exponential regex engine backtracking, blocking the Node.js event loop and denying service to other requests.

PUBLISHED
Date2026-09-29
UPDATED
Date2026-09-29
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
CVSS4
Base Score: 8.7
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/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
3.6
EXPLOITABILITY
3.9
REFERENCES