Breach Intelligence Report 09 Oct 2025

Cycling Archives

HEROIC
HEROIC Threat Intelligence Team
Email Address Plaintext Password
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Records Exposed 13,384
Source Type Database,Combolist
Origin Darkweb
Password Type Plaintext

We've been tracking a resurgence in older breaches appearing in new combolists, often targeting niche communities. What really struck us wasn't the volume of credentials—it was the continued use of **plaintext passwords**, even in 2018. The Cycling Archives breach, initially reported in 2018, recently resurfaced on a popular hacking forum, highlighting the long tail of risk associated with poor security practices. This incident underscores the critical importance of password hygiene and the enduring impact of even seemingly small breaches, particularly for organizations that may not be perceived as high-value targets.

The Cycling Archives Breach: 13k+ Records with Plaintext Passwords Resurface

In August 2018, Cycling Archives, a UK-based platform dedicated to professional cycling, suffered a data breach. The exposed information included 13,384 unique records, containing both email addresses and, critically, plaintext passwords. This data was then posted on a popular hacking platform. The re-emergence of this breach highlights the enduring risk of compromised credentials and the potential for older data to be leveraged in contemporary attacks. This incident is a stark reminder that data breaches can have long-lasting consequences, even if they occurred several years ago.

The breach itself was initially reported on August 21, 2018. The use of plaintext passwords immediately caught our attention, as even at that time, this was considered an extremely poor security practice. The relatively small size of the breach (13k+ records) likely contributed to it receiving less attention than larger, more impactful incidents. However, the presence of plaintext passwords significantly amplifies the risk, as these credentials can be easily reused across multiple platforms, leading to account compromise and potential downstream attacks. We observed the data reappearing on a popular hacking forum on [Date Redacted] and noted active discussion around its potential use in credential stuffing attacks.

This breach matters to enterprises now because it exemplifies the persistent threat posed by weak password security and the long-term impact of data breaches. Even seemingly minor incidents can have significant consequences if basic security measures are not in place. The re-emergence of this data also underscores the importance of monitoring underground forums and marketplaces for compromised credentials related to your organization or its employees. It ties into broader threat themes around credential stuffing, account takeover, and the exploitation of legacy vulnerabilities.

  • Total records exposed: 13,384
  • Types of data included: Email addresses, plaintext passwords
  • Sensitive content types: Potentially PII linked to cycling profiles
  • Source structure: Database
  • Leak location(s): Popular hacking platform (specific URL withheld)
  • Date of first appearance: August 21, 2018

External Context & Supporting Evidence

While mainstream media coverage of the original Cycling Archives breach was limited, discussions on cycling-related forums and social media platforms indicated awareness of the incident within the cycling community. A scan of relevant cycling forum posts from 2018 revealed users discussing the breach and advising others to change their passwords. The reappearance of this data aligns with a broader trend of older breaches being repackaged and sold on dark web marketplaces, often targeting specific industries or communities. This activity is often fueled by automated tools that scrape and aggregate compromised data from various sources.

Breach Breakdown

Domain N/A
Leaked Data Email Address,Plaintext Password
Password Types Plaintext
Date Leaked 09 Oct 2025
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Private & Secure No Account Needed 3,664 scanned today
Breach Rank #11,143 by affected users
Impact Score
1
sensitivity + scale + recency
Est. Financial Impact $96.8K fraud, phishing & misuse risk
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

Important
Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

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