Ellen Nakashima is a journalist who has worked for The Washington Post since 1998. She is an award-winning reporter who covers national security and technology issues. She has written extensively on topics such as cyber warfare, government surveillance, and the Edward Snowden leaks. She has also written books on these topics, including 'The Art of Invisibility' and 'Cyber War: The Next Threat to National Security and What to Do About It'. Her work has been featured in numerous publications, including The New York Times, The Wall Street Journal, and The Atlantic.