cybersecurity

She now works for […] one of the largest of the many cybersecurity firms seeking to neutralize attacks on corporations from China and other countries, as well as criminal groups and hackers.

2014 April 6, David E. Sanger, “U.S. tries candor to assure China on cyberattacks”, in The New York Times, archived from the original on 11 Nov 2020

Examples abound regarding how firms are using blockchains to enhance cybersecurity; after all, at its most basic level, it is an open source code that can be downloaded and run by anyone, for free. Due to these exceedingly low barriers to entry, this technology has the potential to unleash coinless cybersecurity applications. Already, Marc Andreesen, a venture capitalist, has invested more than $50 million in blockchain technologies.

2016 November 23, Scott Shackelford, Steve Myers, “Block-by-Block: Leveraging the Power of Blockchain Technology to Build Trust and Promote Cyber Peace”, in Yale Journal of Law and Technology (2017 Forthcoming) / Kelley School of Business Research Paper No. 16-85, →DOI, archived from the original on 04 Feb 2026, page 22 / 355

However, there remain many cybersecurity concerns about the railways. For example, and perhaps more pertinently, 'hacktivists' - hackers with a political rather than a financial motive - in Belarus were reported to have taken breached computers that control rail movements in the country in an effort to delay Russian supplies to their front line in the early stages of the war against Ukraine.

2023 March 22, Christian Wolmar, “Cybersecurity concerns highlight a range of potential risks”, in RAIL, number 979, pages 32–33