Which three examples illustrate habits that could threaten the security of a company's network?

Jonathan updates the security settings on his devices regularly, according to the company's IT policy

Phoebe immediately opens all e$-$mails and attachments she receives, assuming the virus scanner will weed out any malware

Sam uses the same password for all work$-$related devices and web sites

Lou indiscriminately letspeople into the office, assuming they've passed security ${?}^W)$ the lobby