Asahi Kasei Subsidiary Reports Breach Affecting Up to 558,700 People
Asahi Kasei Therapeutics disclosed a breach that may have exposed up to 558,700 people's details, including 44,000 email addresses.
Areas of Focus
Email InfrastructureSMTP & MTA ArchitectureSPF, DKIM, DMARC & SRSEmail Privacy & SecurityCredential Stuffing PreventionSoftware Engineering
Articles by Ahsan Luqman
270 articlesOne Email Alias per Website Keeps a Breach From Spreading
One address everywhere means one breach reaches everywhere. One alias per site contains the damage, names the leaker, and exposes fakes.
Double Counter Data Breach Leaked 1 Million Emails
Double Counter disclosed an October 4 attack that copied about 1 million email addresses plus Discord usernames and IP records. What was taken, and what to do.
EY Breach Exposed Goldman Sachs and Man Group Client Emails
EY's tax-platform breach reached Goldman Sachs and Man Group clients: names, emails, tax IDs and financial details. What happened and what to do.
Give Every Site Its Own Email Alias and They All Land in Your Inbox
An email alias is not a second inbox. It is a forwarding rule, a reply trick, and a kill switch. Here is what happens to a message, step by step.
Nikkei Confirms Breach After 9,000 Phishing Emails Sent From Hacked Employee Account
Nikkei disclosed that attackers hijacked an employee's email account and sent 9,000 phishing emails; 1,646 names and emails may have leaked.
nimoca Confirms Data Breach Affecting 521 Customers
nimoca's operator confirmed 521 users' emails, card numbers and dates of birth leaked from its usage-history service, uncovered by one customer's phone call.
314,009 OfferBox Students' Names and Emails Exposed to Employers
i-plug says a page on its OfferBox job service served students' names and email addresses to employers, breaking its own non-disclosure promise for up to 314,009 people.
Southern Company Confirms Data Breach Affecting 400,000 Customers
Southern Company confirmed unauthorized access to its customer portal affecting about 400,000 accounts. Emails, names and SSN fragments exposed; what to do.
Study Sapuri Confirms Account Enumeration Attack on 3,687 Email Addresses
Recruit disclosed an account enumeration attack on Study Sapuri that may have confirmed 3,687 email addresses as registered. What happened and what to do.