The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

• This week’s question: Is ‘ripen at home’ fruit the supermarkets’ idea of a joke?

I’ve been struggling to get my head around the idea that a passkey, which can be a pin on your phone, or facial recognition, can be safer than using a complicated password and two-factor authentication.

I get that having something unique to your device, not stored on a company’s server, is unphishable and less hackable by cybercrims, but what if your phone is nicked and someone guesses the password? And what if you lose your phone?

Tech company says it ‘caught and disrupted’ NSO Group’s attempts to access accounts in Jordan and Lebanon

A spyware firm has been targeting WhatsApp users with malicious links in contravention of a US court order forbidding it from doing so, Meta has said.

In a post, Meta said WhatsApp had “caught and disrupted spear phishing attempts” by NSO Group, which a spokesperson said targeted a handful of users in Jordan and Lebanon. It had also caught the group creating “test accounts and groups” on WhatsApp.