Londonhydro cybersecurity incidents and threat signals

Jun 20, 2026Ransomware

Medium

London Hydro Discloses Data Breach Affecting Customer Information

Canadian electricity provider London Hydro is investigating a data breach that potentially impacted the personal and account information of its customers. London Hydro is a local distribution company serving the City of London, Ontario. It serves roughly 170,000 residential, institutional, commercial, and industrial customers. On June 20, the electricity provider announced that hackers had broken into its systems and that customers’ data was likely accessed. “London Hydro and the appropriate authorities are currently investigating a data security incident which may have impacted a portion of personal information on some accounts,” the company said . The potentially affected data includes personal information such as names, addresses, email addresses, and phone numbers. Account information, including account and billing numbers, service addresses, pricing plans, contract dates, and meter numbers and types, might have been impacted as well. Advertisement. Scroll to continue reading. According to London Hydro, no financial or other sensitive information might have been compromised in the data breach.   “The incident did not involve access to financial information or other sensitive categories of information, such as your date of birth, government identification numbers, payment card details, or banking information,” the company said. London Hydro urges customers to be wary of suspicious activity related to their accounts and personal information, including phishing messages, emails, or phone calls. It’s unclear who is responsible for the attack. No known cybercrime group appears to have taken credit for hacking London Hydro. Related: North Korean Hackers Blamed for Mastra NPM Supply Chain Attack Related: More Cybersecurity Firms Disclose Impact From Klue Hack Related: What the Latest ShinyHunters Breaches Reveal About Modern Cyberattacks Related: Texas Parks & Wildlife Data Breach Affects 3 Million Individuals Written By Ionut Arghire Ionut Arghire is an international correspondent for SecurityWeek. New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication Estée Lauder Discloses Impact From Oracle EBS Zero-Day Hack Clover Health Investments Discloses Data Breach Zimbra Update Patches Critical Vulnerabilities OpenSSL Silently Fixes ‘HollowByte’ DoS Vulnerability Ernst & Young Data Breach Affects Personal, Financial Information Hugging Face Hacked in Autonomous AI Attack Chrome 150 Update Patches Severe Memory Safety Bugs Fourth SharePoint Vulnerability Exploited in Past Month’s Wave of Attacks Endpoint Security Firm Glow Launches With $180M in Funding at $1.2B Valuation Oracle Patches Over 1,400 Vulnerabilities With Quarterly Security Updates Ransomware Group Threatening to Leak Data Stolen From Coca-Cola’s Fairlife OpenAI Says Its AI Models Broke Loose and Hacked Hugging Face Trump Orders Defense Contractors to Map Software, Suppliers Across Critical Supply Chains Cisco Launches Low-Cost AI Models for Source Code Security Empirical Security Raises $25 Million in Series A Funding Join this live webinar as we explore why exploitation is outpacing remediation, where risk is growing fastest, and what security leaders can do to close the gap before attackers take advantage. CodeSecCon bridges the gap between dev and security. Discover best practices for secure coding, innovative risk-reduction tools, and safe AI integration to cultivate a true DevSecOps culture. Safely secure your apps! Jazz has named Sean Robinson, Rickie Goyal, Danielle Guetta, Shani Nago, and Lior Magram as VPs and Michael Calev as COO.