I know what you did last summer, MuddyWater blending in the crowd

Introduction MuddyWater is an APT with a focus on governmental and telco targets in the Middle East (Iraq, Saudi Arabia, Bahrain, Jordan, Turkey and Lebanon)...

Operation ShadowHammer: a high-profile supply chain attack

In late March 2019, we briefly highlighted our research on ShadowHammer attacks, a sophisticated supply chain attack involving ASUS Live Update Utility, which was...

New zero-day vulnerability CVE-2019-0859 in win32k.sys

In March 2019, our automatic Exploit Prevention (EP) systems detected an attempt to exploit a vulnerability in the Microsoft Windows operating system. Further analysis...

Large-scale SIM swap fraud

Introduction SIM swap fraud is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification, where the second...

Gaza Cybergang Group1, operation SneakyPastes

Gaza Cybergang(s) is a politically motivated Arabic-language cyberthreat actor, actively targeting the MENA (Middle East North Africa) region, especially the Palestinian Territories. The confusion surrounding...

Project TajMahal – a sophisticated new APT framework

Executive summary ‘TajMahal’ is a previously unknown and technically sophisticated APT framework discovered by Kaspersky Lab in the autumn of 2018. This full-blown spying framework...

BasBanke: Trend-setting Brazilian banking Trojan

BasBanke is a new Android malware family targeting Brazilian users. It is a banking Trojan built to steal financial data such as credentials and...

Roaming Mantis, part IV

One year has passed since we published the first blogpost about the Roaming Mantis campaign on securelist.com, and this February we detected new activities...

Bots and botnets in 2018

Due to the wide media coverage of incidents involving Mirai and other specialized botnets, their activities have become largely associated with DDoS attacks. Yet...

Threat Landscape for Industrial Automation Systems in H2 2018

H2 2018 in figures All statistical data used in this report was collected using the Kaspersky Security Network (KSN), a distributed antivirus network. The data...

Latest article

Operation Endgame 4.0 – 153,527 breached accounts

On 18 June 2026, the latest phase of Operation Endgame targeted the SocGholish malware operation, a prolific malware distribution network used to compromise systems...

Accelerate security investigations with Kiro CLI

When a security event occurs in your Amazon Web Services (AWS) environment, rapid response is critical. However security teams often struggle with time-consuming, manual...

Close Encounters of the Human Kind

Welcome to this week’s Threat Source newsletter. I love a Spielberg summer. His ability to imbue a sense of wonder, awe, curiosity, and connection means he’s in a...

New iPhone BootROM Vulnerability Exposes Apple SoCs to Full Chain-of-Trust Compromise

A novel BootROM vulnerability, dubbed usbliter8, affects Apple devices powered by A12, S4/S5, and A13 SoCs. The exploit chains a hardware-level bug in the...