@article{SMBlog:2015-07-07,
	author = {Steven M. Bellovin},
	title = {Keys under the Doormat},
	date = {2015-07-07},
	year = {2015},
	month = {July 7,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2015-07/2015-07-07.html},
}