Security vulnerability on U.S. trains that let anyone activate the brakes on the rear car was known for 13 years — operators refused to fix the issue until now

Security vulnerability on U.S. trains that let anyone activate the brakes on the rear car, was known for 13 years — operators refused to fix the issue until now

Security vulnerability on U.S. trains that let anyone activate the brakes on the rear car, was known for 13 years — operators refused to fix the issue until now