Archived articles

Matthew green

A person taps their iPhone
Q+A
New Apple security measures concern the FBI but should reassure consumers
Published Dec 13, 2022
The new opt-in features protect user data, messages, and photos and signal a positive change in how big tech companies approach consumer privacy, says cryptography expert Matt Green
A pile of golden coins have a capital B with two lines striking through it mimicking the dollar sign
Bitcoin's boom
The future of finance?
Published Jan 8, 2018
Over the past year, bitcoin has soared in value, reaching as high as $19,000 per coin. But what exactly is it, and how does it work?
Cybersecurity
KRACK in the code
Published Oct 17, 2017
JHU experts discuss the newly discovered software flaw that affects nearly every Wi-Fi enabled device
Cybersecurity
WannaCry ransomware: What to know
Published May 16, 2017
JHU computer scientists Matt Green, Avi Rubin discuss the cyberattack holding computers hostage around the world
Creepy hands reach out through lines of code
Cybersecurity
The internet of bad things
Published Spring 2017
Your gadgets might be helping hackers conduct cyber attacks—and there's not much that can be done about it / Johns Hopkins Magazine
Data security
Hopkins team uncovers Apple encryption bug
Published March 21, 2016
Flaw would enable skilled hacker to decrypt photos, videos sent as secure iMessages / The Washington Post
Data privacy
Brute force unlocking of iPhone: It's complicated
Published Feb 17, 2016
Encryption expert says even if Apple ultimately cooperates with FBI, cracking passcode could take years
iCloud caution
'Be aware of what you're putting on your phone'
Published Sept 3, 2014
Release of revealing celebrity photos shows we are all vulnerable, JHU internet security expert says / NPR
Google news
Tech acceleration pact
Published Aug 7, 2014
Johns Hopkins one of 16 universities to partner with Google's ATAP group in effort to speed product development
Code red?
What is Heartbleed?
Published April 10, 2014
JHU cryptography expert Matthew Green speaks with The New York Times about encryption software flaw