EdgeStepper Implant Reroutes DNS Queries to Deploy Malware via Hijacked Software Updates

The threat actor known as PlushDaemon has been observed using a previously undocumented Go-based network backdoor codenamed EdgeStepper to facilitate adversary-in-the-middle AitM attacks. EdgeStepper "redirects all DNS queries to an external, malicious hijacking node, effectively rerouting the...

5 Reasons Why Attackers Are Phishing Over LinkedIn

Phishing attacks are no longer confined to the email inbox, with 1 in 3 phishing attacks now taking place over non-email channels like social media, search engines, and messaging apps. LinkedIn in particular has become a hotbed for phishing attacks, and for good reason. Attackers are running...

An Evaluation Framework for Network IDS/IPS Datasets: Leveraging MITRE ATT&CK and Industry Relevance Metrics

The performance of Machine Learning ML and Deep Learning DL-based Intrusion Detection and Prevention Systems IDS/IPS is critically dependent on the relevance and quality of the datasets used for training and evaluation. However, current AI model evaluation practices for developing IDS/IPS focus...

Threat Landscape of the Building and Construction Sector Part Two: Ransomware

In this second installment of our two-part series on the construction industry, Rapid7 is looking at the specific threat ransomware poses, why the industry is particularly vulnerable, and ways in which threat actors exploit its weaknesses to great effect. You can catch up on the first part here:...

CISA and Partners Release Advisory Update on Akira Ransomware

Today, Cybersecurity and Infrastructure Security Agency CISA, in collaboration with the Federal Bureau of Investigation, Department of Defense Cyber Crime Center, Department of Health and Human Services, and international partners, released an updated joint Cybersecurity Advisory, StopRansomware:...

kernel: ata: libata-sff: Ensure that we cannot write outside the allocated buffer

In the Linux kernel, the following vulnerability has been resolved: ata: libata-sff: Ensure that we cannot write outside the allocated buffer reveliofuzzing reported that a SCSIIOCTLSENDCOMMAND ioctl with outlen set to 0xd42, SCSI command set to ATA16 PASS-THROUGH, ATA command set to ATANOP, and...

kernel: ata: libata-sff: Ensure that we cannot write outside the allocated buffer

In the Linux kernel, the following vulnerability has been resolved: ata: libata-sff: Ensure that we cannot write outside the allocated buffer reveliofuzzing reported that a SCSIIOCTLSENDCOMMAND ioctl with outlen set to 0xd42, SCSI command set to ATA16 PASS-THROUGH, ATA command set to ATANOP, and...

Threat Landscape of the Building and Construction Sector, Part One: Initial Access, Supply Chain, and the Internet of Things

In 2025, the construction industry stands at the crossroads of digital transformation and evolving cybersecurity risks, making it a prime target for threat actors. Cyber adversaries, including ransomware operators, organized cybercriminal networks, and state-sponsored APT groups from countries su...

Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors

Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus. According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor on compromised host...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to bail out in getnewsegment ------------ cut here --- WARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 newcurseg+0x5e8/0x6dc PC: newcurseg+0x5e8/0x6dc Call trace: newcurseg+0x5e8/0x6dc f2fsallocatedatablock+0xa54/0xe...

Mind the Gap: Missing Cyber Threat Coverage in NIDS Datasets for the Energy Sector

Network Intrusion Detection Systems NIDS developed using publicly available datasets predominantly focus on enterprise environments, raising concerns about their effectiveness for converged Information Technology IT and Operational Technology OT in energy infrastructures. This study evaluates the...

Salt Typhoon APT Group: What Public Sector Leaders and Defenders Should Know

The Rapid7 Threat Focus: Salt Typhoon report profiles one of the most sophisticated and persistent state-sponsored threat actors operating today. Salt Typhoon, a Chinese espionage advanced persistent threat APT group linked to the Ministry of State Security MSS, has spent years infiltrating globa...

Uncovering Qilin attack methods exposed through multiple cases

In the second half of 2025, the ransomware group Qilin has continued to publish victim information on its leak site at a pace of more than 40 cases per month, making it one of the most impactful ransomware groups worldwide. The manufacturing sector has been the most affected, followed by...

AI for the Financial Sector: How Strategy Consulting Helps You Navigate Risk

The financial industry is transforming as artificial intelligence AI is becoming an integral tool for managing operations, improving…...

CVE-2025-40019

In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essivaeadcrypt so that it's also checked for decryption and in-place encryption...

'Jingle Thief' Hackers Exploit Cloud Infrastructure to Steal Millions in Gift Cards

Cybersecurity researchers have shed light on a cybercriminal group called Jingle Thief that has been observed targeting cloud environments associated with organizations in the retail and consumer services sectors for gift card fraud. "Jingle Thief attackers use phishing and smishing to steal...

'Jingle Thief' Hackers Exploit Cloud Infrastructure to Steal Millions in Gift Cards

Cybersecurity researchers have shed light on a cybercriminal group called Jingle Thief that has been observed targeting cloud environments associated with organizations in the retail and consumer services sectors for gift card fraud. "Jingle Thief attackers use phishing and smishing to steal...

Salt Typhoon APT Targets Global Telecom and Energy Sectors, Says Darktrace

The China-linked Salt Typhoon APT group attacked a European telecom via a Citrix NetScaler vulnerability in July 2025, Darktrace reports. This follows past US Army and telecom breaches...

New .NET CAPI Backdoor Targets Russian Auto and E-Commerce Firms via Phishing ZIPs

Cybersecurity researchers have shed light on a new campaign that has likely targeted the Russian automobile and e-commerce sectors with a previously undocumented .NET malware dubbed CAPI Backdoor. According to Seqrite Labs, the attack chain involves distributing phishing emails containing a ZIP...

From Phishing to Malware: AI Becomes Russia's New Cyber Weapon in War on Ukraine

Russian hackers' adoption of artificial intelligence AI in cyber attacks against Ukraine has reached a new level in the first half of 2025 H1 2025, the country's State Service for Special Communications and Information Protection SSSCIP said. "Hackers now employ it not only to generate phishing...