Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Capcom CAPCOM ID Breach: 11.7 Million Emails Exposed — Credential Stuffing Defense Guide
Capcom CAPCOM ID Breach: 11.7 Million Emails Exposed — Credential Stuffing Defense Guide Japanese gaming company Capcom has disclosed a majo...
Capcom Data Breach: Defending Identity Infrastructure After the 2026 Gaming Giant Compromise
Japanese gaming giant Capcom has confirmed unauthorized access to its online account system, resulting in the exposure of users' personal in...
23andMe Breach Settlement: Defending Against Credential Stuffing on Sensitive-Data Platforms
The Settlement That Puts a Price Tag on Credential Stuffing Negligence California has agreed to a $6 million settlement with 23andMe over th...
Times Car Data Breach: 6.6 Million Accounts Exposed — Detection and Response Guidance for Defenders
What Happened Japanese car-sharing service Times Car (operated by Times Mobility / the Park24 Group) has confirmed a cyberattack that compro...
Rydox Cybercrime Marketplace Admin Pleads Guilty: How to Hunt for Stolen Credential Abuse in Your Environment
Rydox Admin Pleads Guilty — Why Your SOC Should Care Ardit Kutleshi, a 28-year-old Kosovo national, pleaded guilty to building and operating...
Gyazo Breach: 23.6M User Records and 490M Image Metadata Records Exposed — Defender's Response Guide
Gyazo Breach: What Happened and Why Defenders Must Move Now Helpfeel, the Kyoto-based company behind the Gyazo image-sharing service, publis...
Telus Credential Stuffing Campaign: Detection and Hardening Guide for Stolen-Credential Account Takeovers
Introduction Telus, one of Canada's largest telecommunications providers, has warned customers that stolen credentials were used in a multi-...
Chick-fil-A Credential Stuffing Attack: Automated Account Takeover Detection & Defense
Introduction Between June 17 and June 19, 2026, Chick-fil-A confirmed a significant security incident affecting over 13,000 customers. This ...
Large-Scale Credential Attacks on Security Appliances: Detection and Hardening
Introduction Security Arsenal is tracking an alarming trend highlighted in a recent Unit 42 Threat Brief: adversaries are launching large-sc...