Re: how to detect hack attempts.

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(on 02/20/2020 at 2:10pm mountain time, Ed said)

> Do you have a fixed IP or dynamic IP?

I believe it's fixed, provided by the ISP (comcast).

> What services do you run on your system?  It helps to know what area you're concerned with.

* Firefox, Thunderbird, Tor (rarely), dnf, zoom (for meetings). (What counts as "services" here?) * Other uses of internet are "under the hood" and mostly unknown/invisible to me. * Oddball: when logged in as root, and I launch a terminal, several seconds later, I see a short wave of internet activity; this is very consistent.  What's going on there? * No one is authorized to connect in from outside; I myself do not try to do so.

This morning, I got 2 messages from the bank saying 2 attempts to make purchases via paypal were rejected because the card had not yet been activated.  I called the bank.  The messages were legitimate.  Curious: the card is near expiration, and a new one (same number) had just been made/mailed.  The bank then de-activated the card.  I do not know what other personal info the malicious person/group got, where the info came from, or who the malicious person/group is.  I think it wise for me to check that no one is getting into my system.  Thus this thread.  By the way, both chkrootkit and rkhunter reported my system is clean later this morning.  I do realize they don't check everything.

I'll try Frank's suggestion and respond to him later; I'm researching it first.

Bill.
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