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Note The September 2026 Dark Web Issue Trend Report summarizes major issues that occurred on the deep web and dark web. However, the report notes that due to the nature of the sources, it may be difficult to fully verify the accuracy of some information. Major Issues The official launch of a new dark web […]

KR·AAAhnLab ASEC

Note The September 2026 Dark Web Threat Actor Trend Report focuses on threat actors active on the deep web and dark web, as well as publicly reported cyberattack incidents. It is noted that the factual accuracy of some content cannot be independently verified. Major Issues Some hacktivist groups claimed responsibility for DDoS attacks targeting the […]

KR·AAAhnLab ASEC

Note The September 2026 Dark Web Breach Incident Trend Report focuses on data breach cases and the sale of initial access credentials posted on the deep web and dark web forums. The report explicitly states that the accuracy of some of its content cannot be fully verified due to the nature of the sources. Major […]

KR·AAAhnLab ASEC

Overview In the third quarter of 2026, there was a notable increase in cases where attackers attempted to establish persistence and expand their attacks using paths trusted by the organization following their initial access. Attacks on perimeter devices such as NetScaler and Cisco FMC led to the installation of web shells (server-side scripts for remote […]

KR·AAAhnLab ASEC

ASEC Blog publishes Ransom & Dark Web Issues Week 2, October 2026 International Operation Seizes KillSec Ransomware Infrastructure and Arrests Three Suspects Customer Data of a South Korean Health and Beauty Retailer Offered for Sale Saudi Intelligence Agency Personnel and Organizational Data Allegedly Leaked

KR·AAAhnLab ASEC

Summary of Vulnerability Trends for the Third Quarter of 2026 A total of 36,971 CVEs were disclosed in the third quarter of 2026, representing an increase of approximately 78.6% Compared to the second quarter. Among the vulnerabilities for which CVSS assessments were completed, approximately 12.7% Were rated “Critical” and approximately 42.6% Were rated “High,” meaning […]

KR·AAAhnLab ASEC

In January 2026, the AhnLab SEcurity intelligence Center (ASEC) reported on attack cases that distributed RMM (Remote Monitoring and Management) tools through video files or attachments in phishing emails. [1] [2] In these attack cases, tools such as Syncro, ConnectWise ScreenConnect, NinjaOne, and SuperOps were exploited. RMM (Remote Monitoring and Management) tools are not malware […]

KR·AAAhnLab ASEC

Just because it’s a familiar tactic doesn’t mean you can let your guard down. A similar attack method using cryptocurrency rewards as bait has recently been identified again. This time, a case was confirmed in which the Node.Js-based malware JSCEAL was distributed through Facebook ads impersonating a cryptocurrency exchange. The threat actors lured users to […]

KR·AAAhnLab ASEC

Overview AhnLab monitored APT (Advanced Persistent Threat) attacks targeting entities in Korea using its own infrastructure. This report summarizes the types and statistics on domestic APT attacks identified during the month of August 2026. Trends of APT Attacks in South Korea Most of the APT attacks detected in South Korea were distributed via spear phishing […]

KR·AAAhnLab ASEC

One day, out of the blue, I received a text message claiming to protect my cryptocurrency account. However, this message concealed a sinister intent: to steal the user’s wallet information. Recently, a smishing campaign was identified that impersonated Pi Coin account protection to lure users to phishing pages and steal their cryptocurrency wallet information. The […]

KR·AAAhnLab ASEC

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as project material purchase request forms. 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 project material purchase request form. […]

KR·AAAhnLab ASEC

Recently, the AhnLab SEcurity intelligence Center (ASEC) confirmed that phishing emails disguised as requests for project quotes are being circulated. The email body is disguised as a request to submit a quote for discussing the project budget and prompts recipients to download an attached compressed file for verification. [Figure 1] Phishing email body […]

KR·AAAhnLab ASEC

The threat actor used SEO poisoning (a technique that exploits search results to redirect users to fake sites) to distribute a malicious installer disguised as a KakaoTalk installer. The appearance and packaging method of the installer changed continuously, and the threat actor sequentially used NSIS, Advanced Installer, and Inno Setup. It contained both legitimate installation […]

KR·AAAhnLab ASEC

Purpose and Scope This report summarizes statistics on new ransomware samples, affected systems, and statistics on targeted businesses collected during the month of August 2026, as well as major Korean & Global ransomware issues. Statistics on targeted businesses were compiled based on the time when publicly available information from ransomware groups’ DLS (Dedicated Leak Sites, […]

KR·AAAhnLab ASEC

Content This report summarizes the distribution channels, number of Infostealers, number of detections, and companies disguised as targets by new Infostealers collected during the month of August 2026. It is based on data from AhnLab SEcurity intelligence Center (ASEC), AhnLab product diagnostic logs, automated data collection systems, email honeypot systems, and automated C2 analysis systems. […]

KR·AAAhnLab ASEC

Purpose and Scope The August 2026 APT Threat Trends report summarizes attack cases in which state-sponsored threat actors combined attacks involving open-source supply chain compromises, the use of generative AI, the exploitation of legitimate cloud services, job scams, and the exploitation of zero-day vulnerabilities. A key finding is the use of GitHub, GitLab, OneDrive, Telegram, […]

KR·AAAhnLab ASEC

The AhnLab SEcurity intelligence Center (ASEC) has been monitoring proxyjacking attacks and confirmed that, in the second half of 2026, the Larva-25012 threat actor has resumed actively distributing Proxyware. Rather than conducting malware distribution through new methods, the threat actor appears to have targeted already infected systems to distribute Proxyware. 1. Proxyjacking Attacks A […]

KR·AAAhnLab ASEC

AhnLab SEcurity intelligence Center (ASEC) recently identified a case in which ransomware was distributed through a private home trading system (HTS). The HTS program used to distribute the ransomware is called “UBP Asset” and has long been exploited in online investment scams. Given that a photo of the same HTS program was also found in […]

KR·AAAhnLab ASEC

Note The August 2026 Dark Web Threat Actor Trend Report focuses on trends among threat actors—including hacktivists—active on the deep web and dark web. It is noted that the accuracy of some information could not be verified. Major Issues NoName057(16), BD Anonymous, and Dark Storm Team claimed responsibility for repeated DDoS attacks targeting websites of […]

KR·AAAhnLab ASEC

Note The August 2026 Dark Web Issue Trend Report summarizes Major Issues that occurred on the deep web and dark web. The report notes that, due to the nature of its sources, it may contain some information whose accuracy cannot be fully verified. Major Issue After the RaidForums domain was suspended, a new domain was […]

KR·AAAhnLab ASEC

ASEC Blog publishes Ransom & Dark Web Issues Week 2, September 2026 The Gentlemen Ransomware Attack on a Canadian Airline LAPSUS$ Group Resumes Chapter II and Teases New Victim Disclosure AUDIT TEAM Data Extortion Attacks on Four Organizations in South Korea, Germany, and Argentina

KR·AAAhnLab ASEC

ASEC Blog publishes Ransom & Dark Web Issues Week 1, September 2026 ZaWoo Data Extortion Attacks Against Multiple Organizations Worldwide Black X Ransomware Attack on a South Korean Automotive Parts Manufacturer Internal Data of a South Korean Asset Management and Investment Firm Offered for Sale

KR·AAAhnLab ASEC

1. Overview The AhnLab SEcurity intelligence Center (ASEC) continuously monitors various threats targeting Linux environments. Techniques that modify the Linux kernel to conceal malware and signs of compromise have been used for a long time, and Syslogk is one such rootkit that operates in this manner. This document provides an analysis of the key features […]

KR·AAAhnLab ASEC

The AhnLab SEcurity intelligence Center (ASEC) recently identified the LegionLoader malware, which is currently being distributed via the ClickFix method. There are two main distribution methods identified so far; both involve tricking users into visiting a malicious URL and then prompting them to directly execute malicious PowerShell commands through a fake Cloudflare CAPTCHA screen. […]

KR·AAAhnLab ASEC

The AhnLab SEcurity intelligence Center (ASEC) recently identified attack cases that exploited Radmin and UltraVNC. Although the Initial Intrusion method remains unknown, the attackers installed Radmin—a remote control tool—and then installed UltraVNC. The threat actors exploited the remote control tools to gain control of the infected systems and installed Netch and CCProxy to use the […]

KR·AAAhnLab ASEC

People who initially seem fine but tend to subtly avoid others as the relationship deepens or when conflicts arise—and who disappear when pressured—are commonly referred to as “avoidant types.” By repeatedly pulling away only to reappear, they drain the other person’s emotions and energy, ultimately undermining the relationship. The attack pattern of the recently […]

KR·AAAhnLab ASEC

Overview AhnLab monitored APT (Advanced Persistent Threat) attacks targeting entities in Korea using its own infrastructure. This report summarizes the classification, statistics, and functional characteristics for each type of domestic APT attacks identified during the month of July 2026. Trends of APT Attacks in South Korea Most APT attacks detected in South Korea were distributed […]

KR·AAAhnLab ASEC

Purpose and Scope The July 2026 Threat Trend Report on Ransomware summarizes major Korean & global ransomware issues based on statistics regarding the quantity of new ransomware samples, the number of compromised systems, and statistics on targeted businesses. Statistics on targeted businesses were compiled based on information published on DLS (Dedicated Leak Sites, also referred […]

KR·AAAhnLab ASEC

Purpose and Scope The July 2026 Threat Trend Report on APT Groups summarizes the trend in which state-sponsored threat actors and financially motivated attackers are employing a combination of supply chain attacks, account takeovers, cloud breaches, and social engineering techniques. Key targets include Microsoft 365, webmail accounts, cloud infrastructure, GitHub and development environments, VPN and […]