APT1 is an espionage group thought to operate from China, with suspected state backing. Public reporting links it to 20 attack techniques, and to attacks on private sector and government organisations, with 15 countries and victims named. This free profile shows how it works and who it targets, so you can judge the risk to you.
APT1 has 11 other names in security research. Below is what published reporting says about it, with a link to every report so you can check the detail yourself.
Also known as
Security companies each give the same group their own name, so one group can have many.
What public reporting says
PLA Unit 61398 (Chinese: 61398部队, Pinyin: 61398 bùduì) is the Military Unit Cover Designator (MUCD)[1] of a People's Liberation Army advanced persistent threat unit that has been alleged to be a source of Chinese computer hacking attacks
Public reports about APT1 (13)
Each technique is a known way attackers research, get in, stay hidden or do damage. Here are the 20 linked to APT1, laid out from first look to final blow. Some techniques belong to more than one stage. Pick a stage to see them. Public reporting also lists 16 more specific variations of them, called sub-techniques.
Mapping the network, accounts and data once inside.
The sectors and places named in public reporting about this group. If yours is on the list, it is worth knowing how they work and which flaws they use.
Countries and victims named (15)
A public profile tells you who a group is. Your account tells you whether it matters to you: we match the software you run to the flaws threat groups use, and we keep watching, so you hear about anything that affects you as soon as we know.
APT1 is an espionage group thought to operate from China, with suspected state backing. Public reporting links it to 20 attack techniques, and to attacks on private sector and government organisations, with 15 countries and victims named.
Public reporting places APT1 as operating from China, with suspected state backing. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.
In public reporting, sectors named include private sector and government, and 15 countries and victims are named, including United States, Taiwan, Israel and Norway.
Public reporting links APT1 to 20 attack techniques. Most of them are about looking around, preparing tools and infrastructure and gathering data.
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