Having a super-secure telephone to make safe calls in uncontrolled areas misses the point, Col. Lukasz Jaworski said at Defense24 Days. During a panel on cybersecurity, a question was raised about cell telephone safety for critical infrastructure entities; according to the defence Ministry's CSIRT, 99 percent of cellular usage takes place in controlled areas. The Ministry of Digitization, in turn, reminds that there are safe communication channels, including for classified information.