
Mermaids Company Cyber Security Posture
mermaidsuk.org.ukMermaids is a UK based charity that offers support to transgender and gender variant children and young people, their families and supporting professionals. Mermaids provide helpline and email support services, parents and teens online forums, training into schools, social services, and many other agencies supporting children, residential family weekends, local groups at 8 locations nationwide, campaigning and advocacy, speaking at conferences and events nationwide, raising awareness by attending Pride and other LGBT events, young trans people and their families, advisory liaison service with EHRC, DofE, GEO and other agencies to help identify and combat poor practice. Mermaids was founded in the UK in 1995 and has grown to provide UK wide support to thousands of families with transgender or gender non-conforming children. Last year Mermaids supported over 4,000 people plus reached over 350 professionals working with young people.
Mermaids Company Details
mermaids-uk
99 employees
6313
624
Individual and Family Services
mermaidsuk.org.uk
Scan still pending
MER_3013297
In-progress

Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

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Mermaids Company Scoring based on AI Models
Model Name | Date | Description | Current Score Difference | Score |
---|---|---|---|---|
AVERAGE-Industry | 03-12-2025 | This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers. | N/A | Between 900 and 1000 |
Mermaids Company Cyber Security News & History
Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
---|---|---|---|---|---|---|---|
Mermaids | Breach | 60 | 3 | 07/2021 | MER163711223 | Link | |
Rankiteo Explanation : Attack with significant impact with internal employee data leaksDescription: The transgender charity mermaids became aware of a data breach in relation to an internal email group. It was found that the group was created with insufficiently secure settings, leading to approximately 780 pages of confidential emails being viewable online for nearly three years. The compromised information includes personal information, such as names and email addresses, of 550 people being searchable online. The personal data of 24 of those people were sensitive as it revealed how the person was coping and feeling. A further 15 classified as unique category data as mental and physical health and sexual orientation were exposed. Mermaids have significantly improved its data protection processes since learning about the security compromise and fully cooperating with the ICO investigation. |
Mermaids Company Subsidiaries

Mermaids is a UK based charity that offers support to transgender and gender variant children and young people, their families and supporting professionals. Mermaids provide helpline and email support services, parents and teens online forums, training into schools, social services, and many other agencies supporting children, residential family weekends, local groups at 8 locations nationwide, campaigning and advocacy, speaking at conferences and events nationwide, raising awareness by attending Pride and other LGBT events, young trans people and their families, advisory liaison service with EHRC, DofE, GEO and other agencies to help identify and combat poor practice. Mermaids was founded in the UK in 1995 and has grown to provide UK wide support to thousands of families with transgender or gender non-conforming children. Last year Mermaids supported over 4,000 people plus reached over 350 professionals working with young people.
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Mermaids Cyber Security News
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A transgender charity has been fined ยฃ25,000 by the Information Commissioner's Office (ICO) for failing to keep the personal data of its usersย ...

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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
Mermaids CyberSecurity History Information
How many cyber incidents has Mermaids faced?
Total Incidents: According to Rankiteo, Mermaids has faced 1 incident in the past.
What types of cybersecurity incidents have occurred at Mermaids?
Incident Types: The types of cybersecurity incidents that have occurred incident Breach.
How does Mermaids detect and respond to cybersecurity incidents?
Detection and Response: The company detects and responds to cybersecurity incidents through remediation measures with Improved Data Protection Processes.
Incident Details
Can you provide details on each incident?

Incident : Data Breach
Title: Mermaids Data Breach
Description: A data breach at the transgender charity Mermaids exposed approximately 780 pages of confidential emails due to insufficiently secure settings in an internal email group.
Type: Data Breach
Attack Vector: Improper Security Settings
Vulnerability Exploited: Insufficiently Secure Settings
What are the most common types of attacks the company has faced?
Common Attack Types: The most common types of attacks the company has faced is Breach.
Impact of the Incidents
What was the impact of each incident?

Incident : Data Breach MER163711223
Data Compromised: Names, Email Addresses, Sensitive Personal Information, Unique Category Data
Systems Affected: Internal Email Group
What types of data are most commonly compromised in incidents?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personal Information, Sensitive Personal Information and Unique Category Data.
Which entities were affected by each incident?

Incident : Data Breach MER163711223
Entity Type: Non-Profit Organization
Industry: Charity
Customers Affected: 550
Response to the Incidents
What measures were taken in response to each incident?

Incident : Data Breach MER163711223
Remediation Measures: Improved Data Protection Processes
Data Breach Information
What type of data was compromised in each breach?

Incident : Data Breach MER163711223
Type of Data Compromised: Personal Information, Sensitive Personal Information, Unique Category Data
Number of Records Exposed: 550
Sensitivity of Data: High
File Types Exposed: Emails
Personally Identifiable Information: Names, Email Addresses
What measures does the company take to prevent data exfiltration?
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Improved Data Protection Processes.
Lessons Learned and Recommendations
What lessons were learned from each incident?

Incident : Data Breach MER163711223
Lessons Learned: The importance of secure settings in internal communication tools.
What recommendations were made to prevent future incidents?

Incident : Data Breach MER163711223
Recommendations: Regularly review and update security settings for all communication platforms.
What are the key lessons learned from past incidents?
Key Lessons Learned: The key lessons learned from past incidents are The importance of secure settings in internal communication tools.
What recommendations has the company implemented to improve cybersecurity?
Implemented Recommendations: The company has implemented the following recommendations to improve cybersecurity: Regularly review and update security settings for all communication platforms..
Investigation Status
What is the current status of the investigation for each incident?

Incident : Data Breach MER163711223
Investigation Status: Cooperating with ICO investigation
Post-Incident Analysis
What were the root causes and corrective actions taken for each incident?

Incident : Data Breach MER163711223
Root Causes: Insufficiently secure settings in the internal email group.
Corrective Actions: Improved data protection processes.
What corrective actions has the company taken based on post-incident analysis?
Corrective Actions Taken: The company has taken the following corrective actions based on post-incident analysis: Improved data protection processes..
Additional Questions
Impact of the Incidents
What was the most significant data compromised in an incident?
Most Significant Data Compromised: The most significant data compromised in an incident were Names, Email Addresses, Sensitive Personal Information and Unique Category Data.
What was the most significant system affected in an incident?
Most Significant System Affected: The most significant system affected in an incident was Internal Email Group.
Data Breach Information
What was the most sensitive data compromised in a breach?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Names, Email Addresses, Sensitive Personal Information and Unique Category Data.
What was the number of records exposed in the most significant breach?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 550.0.
Lessons Learned and Recommendations
What was the most significant lesson learned from past incidents?
Most Significant Lesson Learned: The most significant lesson learned from past incidents was The importance of secure settings in internal communication tools.
What was the most significant recommendation implemented to improve cybersecurity?
Most Significant Recommendation Implemented: The most significant recommendation implemented to improve cybersecurity was Regularly review and update security settings for all communication platforms..
Investigation Status
What is the current status of the most recent investigation?
Current Status of Most Recent Investigation: The current status of the most recent investigation is Cooperating with ICO investigation.
What Do We Measure?
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
