One of the techs I know had 500 draw on his cc statement and so, its a good idea to check yours. I think the time period of this security breach was the middle of Aug.
http://www.bankinfosecurity.com/impact-harbor-freight-attack-grows-a-5970/op-1
http://www.bankinfosecurity.com/impact-harbor-freight-attack-grows-a-5970/op-1