Already troubled ENRC's computer systems were hacked this week after the theft of a laptop. The incident underlines the need for businesses large and small to beef up security

Nick Buckles survived the Olympics débâcle and a £5bn bid fiasco but a profit warning finally triggered his downfall

When David Karp announced he was going to sell his social media website Tumblr to Yahoo for $1.1bn earlier this week, some of the site’s tribally loyal users took to the web to warn against an Instagram-style grab of their copyright rights and personal information.

The all-powerful chairman and chief executive of JPMorgan, weakened by gigantic trading losses on his watch, faces calls to split his roles

The Independent on Sunday: Anger over SSE profits after price hikes

Today

In profit …

Soaring executive pay packages have investors asking if they are really getting the best deal, writes Jamie Dunkley

Ministers are pressing on with a privatisation challenge that even Thatcher steered clear of. Lucy Tobin reports

William Pryor, a descendant of Darwin, reminisces about skinny-dipping with Syd Barrett and explains why his online second-hand book business is booming

Hamish Macdonell saw the bank's outgoing chairman come in for a rough ride at his final investors' meeting

The Governor has delivered his final Inflation Report. But how has Sir Mervyn King's analytical innovation performed?

The Wall Street financier Daniel Loeb has a radical plan to reinvigorate conservative Sony

The Dante Alighieri-inspired novel is already Amazon's top-selling book despite not being available until tomorrow

Bloomberg has had to grovel after the financial news agency let its reporters access clients' information. Gideon Spanier examines the repercussions