What can I do to protect myself after 'Asos hacked' message?

Asos app users received unauthorized push notifications from hackers claiming to have compromised the company's data. Asos has advised users not to click the links and is currently investigating the extent of the potential data breach.
Why it matters
This incident highlights the ongoing risks of cyber extortion and the importance of digital security hygiene for consumers using retail platforms.
Image caption, The message, which Asos says people should not engage with, popped up on many Asos app users' home screens on Tuesday
If a strange-looking message from Asos popped up on your phone today, you may be worrying what it could mean and whether you need to do anything.
The online retailer has emailed customers apologising for the "unauthorised push notification" containing an external link, adding that they should disregard the message and not click on it.
Here's what has happened, and what those who may have been affected are being advised to do.
On Tuesday morning, Asos users across the UK were sent pop-up messages from its app that appear to have been sent by hackers trying to extort the company.
"Dear ASOS DPO and IT, we have fully compromised the Snowflake instance. Engage with us, or we will leak it," the message read.
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