Mark Lyndersay is a writer and photographer based in Trinidad and Tobago. He wrote 1,800 editorial leaders for Guardian Media Limited between 2001 and 2016 and now provides leaders for the T&T Newsday. He writes features and reviews for several publications.
His column, BitDepth has examined personal technology issues continuously over the last 23 years.
As a photographer, he divides his time between commercial assignments, editorial photography, annual reports and personal projects like Local Lives, which examines the backstory of life and culture in Trinidad and Tobago.
With more than US$1 billion paid in ransomware demands in 2016 alone and years of work lost in data that remains inaccessible, the cost of not securing networks has sharply risen in the last five years.
Whether it was exploring the woods above the school, a region declared absolutely out of bounds, or snorkelling among particularly vicious rocks at Macqueripe, you were always out front, urging the timid and sensible onward.