June 2026 Infostealer Trend Report
Contents This report summarizes the distribution channels, number of Infostealers, number of detections, and information on companies disguised by new Infostealers collected during June 2026. The collected samples were obtained through an automated data collection system, an email honeypot system, and an automated malware C2 analysis system operated by ASEC
Beware of Phishing Emails Disguised as Money Transfer Confirmations
Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as payment confirmation notices. These emails impersonate employees of a specific company in Korea and trick recipients into opening a malicious XLS file attached to the email, which is disguised as a payment confirmation
Beware of Phishing Emails Disguised as Project Proposals
The AhnLab SEcurity intelligence Center (ASEC) recently confirmed that phishing emails disguised as project proposals are being circulated. The body of the email pretends to request that the proposal and confirmed delivery schedule be submitted as soon as possible, and prompts the recipient to download the attached compressed file.
Vulnerability Trend Report for Q2 2026
Summary of Vulnerability Trends for the Second Quarter of 2026 A total of 20,701 new CVEs were reported in the second quarter of 2026. Of these, 2,317 were “Critical” vulnerabilities with a CVSS score of 9.0 Or higher, accounting for 11.2% Of the total. Medium- and high-risk vulnerabilities, including those
Attack Technique Trend Report for Q2 2026
Overview. The second quarter of 2026 was marked by a notable increase in actual exploits that targeted public assets, identities, and AI stacks. The number of CISA KEV listings reached 75, an increase of approximately 27% compared to the same period in 2025. Primary targets included web and server applications,
Statistical Report on Malware Targeting Linux SSH Servers in the Second Quarter of 2026
Content In the second quarter of 2026, the AhnLab SEcurity intelligence Center (ASEC) collected and analyzed attack logs targeting poorly managed Linux SSH servers through honeypots. The scope of the analysis covers attack sources that progressed to executing actual malware installation commands, as well as statistics on the malware used
Statistical Report on Malware Targeting Windows Database Servers in the Second Quarter of 2026
Contents The AhnLab SEcurity intelligence Center (ASEC) analyzed attack logs from the second quarter of 2026 targeting MS-SQL server and MySQL server installations on Windows. This report summarizes the damage status, attack status, and the classification of the malware and tools used in the attacks. Purpose and Scope The targets
Q2 2026 Statistical Report on Malware Targeting Windows Web Servers
Content In the second quarter of 2026, the AhnLab SEcurity intelligence Center (ASEC) compiled an analysis of the current attack status for poorly managed Windows web servers and classified the malware used in these attacks. The targets were Internet Information Services (IIS) web servers and Apache Tomcat web servers running
May 2026 Threat Trend Report on Ransomware
Purpose and Scope This report summarizes the quantity of new ransomware samples collected during the month of May 2026, the number of affected systems, statistics on targeted businesses, and major Korean & Global ransomware issues. Statistics on samples and affected systems are based on AhnLab’s detection names, while statistics on
May 2026 Infostealer Trend Report
Content This report summarizes the distribution channels, number of infostealers, number of detections, target companies, and execution types of new infostealers collected during the month of May 2026. The collected samples were analyzed based on data from AhnLab SEcurity intelligence Center (ASEC)’s automated data collection system, Email Honeypot system, automated
