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The federal government has a lot of cybersecurity resources, but the private sector plays a key role in national cyber defense. U.S. government

What is the National Cybersecurity Strategy? A cybersecurity expert explains what it is and what the Biden administration has changed

The new National Cybersecurity Strategy reiterates the government’s focus on resilient infrastructure and taking the offensive against hackers. But it also brings a fresh approach to the private sector.
Large language model AI responds to questions but doesn’t actually know anything and is prone to making things up. Charles Taylor/iStock via Getty Images

AI information retrieval: A search engine researcher explains the promise and peril of letting ChatGPT and its cousins search the web for you

Searching the web with ChatGPT is like talking to an expert – if you’re OK getting a mix of fact and fiction. But even if it were error-free, searching this way comes with hidden costs.
Waste management workers stand outside a waste processing plant in Bengaluru, India. By formalizing the waste collection process, the ‘I Got Garbage’ digital platform transformed waste workers into micro-entrepreneurs. (Suchit Ahuja)

Leveraging digital platforms for public good: Stories of positive impact from India

To focus on sustainable development goals, platforms need to change from being exclusively focused on profits and value appropriation to perceiving themselves as public goods.
If you want to use two-factor authentication via text message on Twitter, you’ll have to pay for it. NurPhoto via Getty Images

Should you pay for Meta’s and Twitter’s verified identity subscriptions? A social media researcher explains how the choice you face affects everyone else

Twitter and Meta are looking to make money from protecting users’ identities. This raises questions about collective security, people understanding what they’re paying for and who remains vulnerable.

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