Coming Monday

Pop-up ads carried by spyware and adware aren’t just employed by fringe companies hawking dubious wares. You can count some big tech companies, financial services firms and retailers among its users.

In response to consumer complaints, some companies have pleaded ignorance, saying they didn’t know their ad agencies were employing adware pop-ups. That may become harder to do in the future.

Read more about adware and its use by big-name companies in Technology Monday.