The vast majority of us have no idea what the padlock icon on our internet browser is – and it's putting us at risk

The padlock symbol simply means that the data being sent between the web server and the user’s computer is encrypted and cannot be read by others. But many people don’t know that.

Fiona Carroll, Reader in Human Computer Interaction, Cardiff Metropolitan University • conversation
Nov. 22, 2023 ~6 min

Did Twitter ignore basic security measures? A cybersecurity expert explains a whistleblower's claims

Former Twitter security chief alleges in a whistleblower complaint gross security malpractice, with many employees having access to the social media platform’s code as well as user data.

Richard Forno, Principal Lecturer in Computer Science and Electrical Engineering, University of Maryland, Baltimore County • conversation
Sept. 1, 2022 ~8 min


How do keys open locks?

A computer security expert explains how keys work – and how they are like passwords.

Scott Craver, Associate Professor of Electrical and Computer Engineering, Binghamton University, State University of New York • conversation
April 25, 2022 ~5 min

Mismanaged cloud services put user data at risk

Cloud services are convenient, but if an organization isn’t careful about how they use them, the services can also give data thieves an opening.

Eric Pauley, PhD student in Computer Science and Engineering, Penn State • conversation
April 11, 2022 ~5 min

What is Log4j? A cybersecurity expert explains the latest internet vulnerability, how bad it is and what's at stake

Log4Shell is the latest hacker exploit rocking the internet, and it’s arguably the worst yet. The vulnerability is in an obscure piece of software used on millions of computers.

Santiago Torres-Arias, Assistant Professor of Electrical and Computer Engineering, Purdue University • conversation
Dec. 22, 2021 ~9 min

Shape-shifting computer chip thwarts an army of hackers

Most computer security focuses on software, but computer processors are vulnerable to hackers, too. An experimental secure processor changes its underlying structure before hackers can figure it out.

Lauren Biernacki, Ph.D. Candidate in Computer Science & Engineering, University of Michigan • conversation
May 20, 2021 ~6 min

The lack of women in cybersecurity leaves the online world at greater risk

Women are underrepresented in technology fields, but especially so in cybersecurity. It's not just a matter of fairness. Women are better than men at key aspects of keeping the internet safe.

Nir Kshetri, Professor of Management, University of North Carolina – Greensboro • conversation
May 15, 2020 ~8 min

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