According to the company, the outage affected registers at its supermarkets in the afternoon, leading to what it characterised as an inability to carry out business "for a short period of time this afternoon".
Hi Danny, we can confirm that an IT issue impacted registers in our supermarkets for a short period of time this afternoon. The registers are now back online in all our stores. We apologise for any inconvenience caused. Thanks
— Woolworths (@woolworths) April 16, 2018
By 5pm, Woolworths tweeted that all registers were back online and apologised for the outage.
Customers were asked to leave many stores after the registers failed to function.
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Secureix correctly predicted the Woolworths Australia software coapse s d vulnerability and was ignored ! Woolies a victim of IT work being given to people not on basis of what they know but who they know !??https://t.co/TNn3BR8gfV https://t.co/yrRL74cHvX
— ALEX TEES www.bondiview.com.au (@atees) 16 April 2018
Commenting on the outage, Sean Abbott, the country head at disaster recovery software provider Zerto, said: "According to the maths worked out by a member of the media, last year’s total sales at Woolworths were $55 billion.
Apparently @woolworths registers are... #woolworths pic.twitter.com/1bVv2rIo98
— Claudia Hooper (@claudiquante) 16 April 2018
"Divide that by 365 days, then by 24 hours, then by 60 minutes; for every minute the technical fault lasts, the company is losing $104,640. That’s a staggering amount to its revenue and bottom line."
Woolies Double Bay closed at “the busiest time of the day,” according to the manager, because the “system has crashed”. A lot of hangry customers outside the store right now. @woolworths pic.twitter.com/JQtRi6edj7
— Amy Croffey (@AmyCroffey) 16 April 2018
Abbott added that organisations could reduce downtime by having every change to their data replicated.
Meanwhile at #woolworths Head Office pic.twitter.com/lb2j2kqZNo
— Rachel Wheatley (@evaruth1978) 16 April 2018
"Every second of every day. This ensures true IT resilience in the event of an outage, human error or natural disaster. We live in a digital economy that requires organisations to have a 24/7 'always on' mentality and failure to think this way can lead to an organisation’s downfall," he said.
Looks like Woolworths has a widespread IT problem that has shut stores. This was staff at Woolies Haymarket telling people to come back in an hour pic.twitter.com/6aEKJJMVob
— Michael Janda (@mikejanda) 16 April 2018
.@Coles newest employee has gone undercover at @woolworths #unplugged pic.twitter.com/DS3EU0cRAA
— Brad Tallon (@oz_bat) 16 April 2018
Coles be like.. pic.twitter.com/Q8cQVzCRY2
— Stiffone (@ProudAussie1969) 16 April 2018
#Woolworths pic.twitter.com/DppTdtpgr1
— Shakira (@shakataq) 16 April 2018