operation
What is a Power Supply? Function, Operation, and Types Explained
What is a Power Supply? The power supply is an important but frequently underestimated component for anyone who uses electronics, from a simple smartphone charger to a large data center. What is a power supply in its most basic definition? It is an electrical device that delivers power to a load. A power supply converts…
GOLD SALEM’s Warlock operation joins busy ransomware landscape
Counter Threat Unit™ (CTU) researchers are monitoring a threat group that refers to itself as Warlock Group. The group, which CTU™ researchers track as GOLD SALEM, has compromised networks and deployed its Warlock ransomware since March 2025. Microsoft refers to this threat group as Storm-2603 and characterizes it “with moderate confidence to be a China-based…
Operation AkaiRyū: MirrorFace invites Europe to Expo 2025 and revives ANEL backdoor
In August 2024, ESET researchers detected cyberespionage activity carried out by the China-aligned MirrorFace advanced persistent threat (APT) group against a Central European diplomatic institute in relation to Expo 2025, which will be held in Osaka, Japan. Known primarily for its cyberespionage activities against organizations in Japan, to the best of our knowledge, this is…
Operation FishMedley targeting governments, NGOs, and think tanks
On March 5th, 2025, the US DOJ unsealed an indictment against employees of the Chinese contractor I‑SOON for their involvement in multiple global espionage operations. Those include attacks that we previously documented and attributed to the FishMonger APT group – I‑SOON’s operational arm – including the compromise of seven organizations that we identified as being…
ESET takes part in global operation to disrupt Lumma Stealer
ESET has collaborated with Microsoft, BitSight, Lumen, Cloudflare, CleanDNS, and GMO Registry in a global disruption operation against Lumma Stealer, an infamous malware-as-a-service (MaaS) infostealer. The operation targeted Lumma Stealer infrastructure with all known C&C servers in the past year, rendering the exfiltration network, or a large part of it, nonoperational. Key points of this…
Operation RoundPress targeting high-value webmail servers
This blogpost introduces an operation that we named RoundPress, targeting high-value webmail servers with XSS vulnerabilities, and that we assess with medium confidence is run by the Sednit cyberespionage group. The ultimate goal of this operation is to steal confidential data from specific email accounts. Key points of this blogpost: In Operation RoundPress, the compromise…
Another robotaxi operation heads to Texas and Archer scores $300M for its defense mission | TechCrunch
Welcome back to TechCrunch Mobility — your central hub for news and insights on the future of transportation. Sign up here for free — just click TechCrunch Mobility! Raise your hand if you’re exhausted by the firehose of information coming from every direction. Yeah, me too. At TechCrunch, we’re focused on helping readers (that’s you!)…
Basic oscilloscope operation
Whether you just received a new oscilloscope or just got access to a revered lab instrument that you are unfamiliar with, there is a learning curve associated with using the instrument. Having run a technical support operation for a major oscilloscope supplier, I know that most technical people don’t read manuals. This article (shorter than…