cyber espionage
Attackers breached ConnectWise, compromised customer ScreenConnect instances
A suspected “sophisticated nation state actor” has compromised ScreenConnect cloud instances of a “very small number” of ConnectWise customers, the …
Microsoft, Dutch security agencies lift veil on Laundry Bear cyber espionage group
The Dutch intelligence and security services have identified a new Russia-affiliated threat group that has been breaching government organizations and commercial entities in …
Chinese cyber spies are using Ivanti EPMM flaws to breach EU, US organizations
CVE-2025-4427 and CVE-2025-4428 – the two Ivanti Endpoint Manager Mobile (EPMM) vulnerabilities that have been exploited in the wild as zero-days and patched by Ivanti …
Nation-state APTs ramp up attacks on Ukraine and the EU
Russian APT groups intensified attacks against Ukraine and the EU, exploiting zero-day vulnerabilities and deploying wipers, according to ESET. Ukraine faces rising cyber …
Russia-linked hackers target webmail servers in Ukraine-related espionage operation
ESET researchers have uncovered RoundPress, a Russia-aligned espionage operation targeting webmail servers via XSS vulnerabilities. Behind it is most likely the Russia-aligned …
44% of the zero-days exploited in 2024 were in enterprise solutions
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 …
Cozy Bear targets EU diplomats with wine-tasting invites (again)
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. …
Ivanti VPN customers targeted via unrecognized RCE vulnerability (CVE-2025-22457)
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 reveals new malware variant used on compromised Ivanti Connect Secure devices
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 …
APTs have been using zero-day Windows shortcut exploit for eight years (ZDI-CAN-25373)
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 …
Hackers pose as employers to steal crypto, login credentials
Since early 2024, ESET researchers have been tracking DeceptiveDevelopment, a series of malicious campaigns linked to North Korea-aligned operators. Disguising themselves as …
Threat actors are using legitimate Microsoft feature to compromise M365 accounts
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) …