LJ Rich looks at some of the best technology news stories of the week.

Some UK firms are struggling to fill roles demanding digital skills, so how easy is it to retrain?

The tech giant is tightening its grip on retail as the coronavirus pandemic continues.

Reports say Colonial Pipeline paid cyber-criminal gang DarkSide a ransom to prevent a data leak.

The BBC’s Ros Atkins looks into Bitcoin’s affect on the environment after Tesla suspended vehicle purchases using Bitcoin due to climate change concerns.

The Health Service Executive in Ireland temporarily shuts down its IT system after a “significant ransomware attack”.