Poseidon Group is a threat group thought to operate from Brazil. Public reporting links it to 7 attack techniques. This free profile shows how it works, stage by stage, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.
Poseidon Group has 1 other name 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
Poseidon Group is a Portuguese-speaking threat group that has been active since at least 2005. The group has a history of using information exfiltrated from victims to blackmail victim companies into contracting the Poseidon Group as a security firm.
Each technique is a known way attackers research, get in, stay hidden or do damage. Here are the 7 linked to Poseidon Group, 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 4 more specific variations of them, called sub-techniques.
Mapping the network, accounts and data once inside.
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.
Poseidon Group is a threat group thought to operate from Brazil. Public reporting links it to 7 attack techniques.
Public reporting places Poseidon Group as operating from Brazil. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.
Public reporting links Poseidon Group to 7 attack techniques. Most of them are about looking around, running code and hiding.
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