cyber espionage

Russian APT groups intensified attacks against Ukraine and the EU, exploiting zero-day vulnerabilities and deploying wipers, according to ESET. Ukraine faces rising cyber …

ESET researchers have uncovered RoundPress, a Russia-aligned espionage operation targeting webmail servers via XSS vulnerabilities. Behind it is most likely the Russia-aligned …

In 2024, threat actors exploited 75 zero-days – i.e., vulnerabilities previously unknown to vendors, thus without a readily available patch – in a wide variety of …

APT29 (aka Cozy Bear, aka Midnight Blizzard) is, once again, targeting European diplomats with fake invitations to wine-tasting events, Check Point researchers have shared. …

A suspected Chinese APT group has exploited CVE-2025-22457 – a buffer overflow bug that was previously thought not to be exploitable – to compromise appliances …

CISA has released indicators of compromise, detection signatures, and updated mitigation advice for rooting out a newly identified malware variant used by the attackers who …

State-sponsored threat actors and cybercrime groups from North Korea, Iran, Russia, and China have been exploiting a zero-day Windows vulnerability with no fix in sight for …

Since early 2024, ESET researchers have been tracking DeceptiveDevelopment, a series of malicious campaigns linked to North Korea-aligned operators. Disguising themselves as …

Suspected Russian threat actors have been taking advantage of Microsoft Device Code Authentication to trick targets into granting them access to their Microsoft 365 (M365) …

ESET researchers have uncovered a supply chain attack targeting a South Korean VPN provider, carried out by PlushDaemon, a newly identified China-aligned APT group. In this …

After months of news reports that Chinese threat actors have breached the networks of US telecommunications and internet service providers, the FBI and the Cybersecurity and …

Sophos conducted defensive and counter-offensive operation over the last five years with multiple interlinked nation-state adversaries based in China targeting perimeter …