A consultant at IT security and data protection firm Sophos has said that the leak of six million passwords from LinkedIn does not include the associated email addresses.
But he warned that it is "reasonable to assume that such information may be in the hands of the criminals". He advised the following:
All LinkedIn users [should] ... change their passwords as soon as possible as a precautionary step. Of course, make sure that the password you use is unique - in other words, not used on any other websites - and that it is hard to crack.
More top news
Investigations into two MPs on both sides of the House are set to conclude - and both are proving tricky for their party leaders.
A trade union representative said the strike would either disrupt flights or generate substantial costs for the airline.
Joanne Adam needed a new liver, bowel, pancreas, and stomach, including her small and large intestine, after a rare tumour was discovered.