Feeling out of our depth, we turned to Jack, an old college friend and cyber-security expert. 'Hey, can you take a look at this?' I asked over coffee, handing him Sarah’s phone. Jack nodded, examining the strange text. 'Could be a phishing attempt or trick,' he mused, raising an eyebrow. 'But I’d need more data to confirm.' We trusted Jack, knowing his keen eye might unravel whatever mystery lay behind those coded messages.