REPORT1 SOURCE
JSAC2026 -Workshop/Lightning Talk Session/Panel Discussion-
In this article, we continue our overvie...
First reported Mar 06, 2026 02:00 UTCOpen evidence recordÆ / PUBLIC MALWARE INTELLIGENCE
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15 MATCHING RECORDSMETADATA ONLY / SOURCE ATTRIBUTION PRESERVED
REPORT1 SOURCE
ICS Security Conference 2026
JPCERT/CC held the ICS Security Conference 2026 on February 10, 2026. This conference aims to share the current threat landscape surrounding Industrial Control System (ICS) in Japan and abroad, as well as initiatives undertaken by stakeholders in ICS security. It...
First reported Apr 14, 2026 06:00 UTCOpen evidence recordREPORT1 SOURCE
Update on Attacks by Threat Group APT-C-60 in 2026
In our previous two blog posts (Dec 2024...
First reported Jul 13, 2026 04:15 UTCOpen evidence recordREPORT1 SOURCE
JSAC2026 -Day 1-
JPCERT/CC hosted JSAC2026 from January 21 to 23, 2026. JSAC is an annual conference dedicated to advancing the capabilities of security analysts by fostering the exchange of technical knowledge and operational insights related to incident analysis and response. Now in...
First reported Feb 20, 2026 02:00 UTCOpen evidence recordREPORT1 SOURCE
TSUBAME Report Overflow (Jan-Mar 2026)
This TSUBAME Report Overflow series discusses observation trends from TSUBAME sensors both in Japan and overseas, as well as other topics not covered in the Internet Threat Monitoring Quarterly Report. This article covers monitoring results from January to March 2026....
First reported Jul 23, 2026 02:00 UTCOpen evidence recordREPORT1 SOURCE
Update on Attacks by Threat Group APT-C-60
In JPCERT/CC Eyes, we previously reporte...
First reported Nov 05, 2025 04:30 UTCOpen evidence recordREPORT1 SOURCE
TSUBAME Report Overflow (Oct-Dec 2025)
This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports do not include. This article covers the monitoring results for the period October to December 2025. Suspicious Packets...
First reported May 14, 2026 04:30 UTCOpen evidence recordREPORT1 SOURCE
YAMAGoya: A Real-time Client Monitoring Tool Using Sigma and YARA Rules
In recent years, fileless malware and obfuscation techniques have made it increasingly difficult to detect suspicious activity by scanning files alone. To counter these threats, security researchers and malware analysts actively create and publish detection rules such as Sigma and...
First reported Nov 18, 2025 02:00 UTCOpen evidence recordREPORT1 SOURCE
CSIRTs Around the World – Azerbaijan
Hello, this is Shihono from the Global Coordination Division. In early March, we traveled to Baku, the capital of Azerbaijan, and had the opportunity to visit five organizations, including CSIRTs and facilities involved in cyber security workforce development. In this...
First reported Mar 25, 2026 06:00 UTCOpen evidence recordREPORT1 SOURCE
JSAC2026 -Day 2-
Continuing from the previous report, thi...
First reported Feb 27, 2026 02:00 UTCOpen evidence recordREPORT1 SOURCE
Multiple Threat Actors Rapidly Exploit React2Shell: A Case Study of Active Compromise
On December 3, 2025 (local time), a vulnerability allowing unauthenticated remote code execution in React Server Components (RSC) (CVE-2025-55182) was disclosed. JPCERT/CC has received multiple incident reports related to this attack. Among them, there was a case in which this...
First reported Feb 13, 2026 02:00 UTCOpen evidence recordREPORT1 SOURCE
TSUBAME Report Overflow (Jul-Sep 2025)
This TSUBAME Report Overflow series discusses monitoring trends observed by overseas TSUBAME sensors, as well as other activities that are not included in the Internet Threat Monitoring Quarterly Reports. This article covers the monitoring results from July to September 2025....
First reported Mar 30, 2026 05:00 UTCOpen evidence recordREPORT1 SOURCE
TSUBAME Report Overflow (Apr-Jun 2026)
This TSUBAME Report Overflow series discusses observation trends from TSUBAME sensors both in Japan and overseas, as well as other topics not covered in the JPCERT/CC Quarterly Report. This article covers monitoring results from April to June 2026. Note: Starting...
First reported Sep 18, 2026 05:00 UTCOpen evidence recordREPORT1 SOURCE
Study of Binaries Created with Rust through Reverse Engineering
Rust has been gaining attention in recent years as a language expected to replace C and C++, due to its memory safety and high performance. While Rust continues to be adopted as a programming language, malware developed using Rust (hereinafter...
First reported Mar 12, 2026 05:00 UTCOpen evidence recordREPORT1 SOURCE
TSUBAME Report Overflow (Apr-Jun 2025)
This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports do not include. This article covers the monitoring results for the period April to June 2025. Fluctuations in...
First reported Oct 28, 2025 05:00 UTCOpen evidence recordA filename, label, or report mention alone does not establish maliciousness. Observation dates describe cited sources; collection dates describe this local metadata catalog. No malware samples are stored, fetched, or executed by these pages.