Security Newsletter

Daily Security Briefing #299

DjediTech June 28, 2026 1 min read
Daily Security Briefing #299
Table of Contents

June 28, 2026 | Read Online

Data breach at six ISPs, AI-powered phishing attacks on the rise…


Executive Summary

A significant data breach has exposed up to 14.2 million email logins across six Japanese internet service providers (ISPs). Meanwhile, researchers have identified a surge in AI-powered phishing attacks, highlighting the evolving threat landscape. As malicious actors adapt to disruptions, cybersecurity measures must be strengthened.



Top Articles

Data Breach Exposes Up to 14.2 Million Email Logins at Six ISPs Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by five other internet service providers (ISPs) in the country. bleepingcomputer


AI Transparency: This newsletter uses AI to curate, rank, and summarize cybersecurity content from leading industry blogs. All articles link directly to original authors. Executive summaries are AI-generated based on article content. I curate the sources and deliver the digest—the original authors deserve the credit for their excellent work.