An anonymous reader shares a report: A contractor doing maintenance work at a British Airways data centre inadvertently switched off the power supply, knocking out the airline’s computer systems and leaving 75, 000 people stranded last weekend, according to reports. A BA source told The Times the power supply unit that sparked the IT failure was working perfectly but was accidentally shut down by a worker. Read more of this story at Slashdot.

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British Airways IT Outage Caused By Contractor Who Accidentally Switched off Power