Daiichi Kosho: 8.72M Customer Records May Have Leaked
One infected contractor terminal may have exposed 8.72 million records. The company cannot confirm the data left the building. Act as if it did.
Areas of Focus
Email InfrastructureSMTP & MTA ArchitectureSPF, DKIM, DMARC & SRSEmail Privacy & SecurityCredential Stuffing PreventionSoftware Engineering
Articles by Ahsan Luqman
270 articlesSmall Businesses Can Run Professional Email on Aliases Alone
A small business does not need an IT department to run professional email. Role and vendor aliases give you leak attribution and contained spam.
Spammers Did Not Hack You. Here Is Where They Got Your Email
Spammers harvest addresses four ways: breaches, scrapers, brokers, and guessing. You cannot stop the harvest, but you can make each address name its source.
Your HIBP Result Says Pwned. What It Means and What to Do
Checking whether your email leaked takes two minutes on Have I Been Pwned. The part that matters is reading each breach it names, and acting on it.
Lawson Breach Exposed 2.15 Million Member Records
Lawson confirmed attackers reached its ID systems on Sep 12-14, taking 2.155 million member records. Email addresses were not leaked, per Lawson's 24 October correction.
Barracuda: Phishing Emails Now Carry Hidden AI Instructions
Barracuda's October 2026 research found phishing emails with hidden prompt injections aimed at the recipient and their AI inbox assistant. Here is how it works.
Share a Team Email Address Without Sharing the Password
Every team has a support@. A routed alias hands it to whoever owns it today and revokes it in one click when they leave, with no shared password anywhere.
Sompo Japan Reports Vendor Breach Affecting 60,000 Customers
Sompo Japan says 60,000 customer records may have leaked via vendor Scala Communications, the third disclosure through the same vendor this week.
Toda Confirms Data Breach Affecting Up to 11,978 People
Toda Corporation confirmed on October 7 that up to 7,200 business contacts' and 4,778 employees' email addresses may have leaked from its payment system.
Amazon Impersonation Attacks Jumped 188% Ahead of Prime Big Deal Days
Amazon impersonation attacks jumped 188% before Prime Big Deal Days. The fake emails arrive while you are waiting for real ones; here is how to tell them apart.