Essays in the Category “Social Engineering”

What Are the Limits of Police Subterfuge?

A warrantless FBI search in Las Vegas sets a troubling precedent.

  • Bruce Schneier
  • The Atlantic
  • December 17, 2014

The next time you call for assistance because the Internet service in your home is not working, the 'technician' who comes to your door may actually be an undercover government agent. He will have secretly disconnected the service, knowing that you will naturally call for help and—when he shows up at your door, impersonating a technician—let him in. He will walk through each room of your house, claiming to diagnose the problem. Actually, he will be videotaping everything (and everyone) inside.

Read More →

Why Technology Won't Prevent Identity Theft

  • Bruce Schneier
  • The Wall Street Journal
  • January 9, 2009

Hebrew translation

Impersonation isn't new. In 1556, a Frenchman was executed for impersonating Martin Guerre and this week hackers impersonated Barack Obama on Twitter. It's not even unique to humans: mockingbirds, Viceroy butterflies, and the brown octopus all use impersonation as a survival strategy. For people, detecting impersonation is a hard problem for three reasons: we need to verify the identity of people we don't know, we interact with people through "narrow" communications channels like the telephone and Internet, and we want computerized systems to do the verification for us.

Read More →

A Real Remedy for Phishers

  • Bruce Schneier
  • Wired
  • October 6, 2005

Last week California became the first state to enact a law specifically addressing phishing. Phishing, for those of you who have been away from the internet for the past few years, is when an attacker sends you an e-mail falsely claiming to be a legitimate business in order to trick you into giving away your account info -- passwords, mostly. When this is done by hacking DNS, it's called pharming.

Financial companies have until now avoided taking on phishers in a serious way, because it's cheaper and simpler to pay the costs of fraud.

Read More →

Customers, Passwords, and Web Sites

  • Bruce Schneier
  • IEEE Security & Privacy
  • July/August 2004

Criminals follow money. Today, more and more money is on the Internet: millions of people manage their bank, PayPal, or other accounts-and even their stock portfolios-online. It's a tempting target-if criminals can access one of these accounts, they can steal a lot of money.

And almost all these accounts are protected only by passwords.

Read More →

Are you sophisticated enough to recognize an Internet scam?

  • Bruce Schneier
  • The Mercury News
  • December 19, 2003

Recently I have been receiving e-mails from PayPal. At least, they look like they're from PayPal. They send me to a Web site that looks like it's from PayPal. And it asks for my password, just like PayPal. The problem is that it's not from PayPal, and if I do what the Web site says, some criminal is going to siphon money out of my bank account.

Welcome to the third wave of network attacks, what I have named "semantic attacks." They are much more serious and harder to defend against because they attack the user and not the computers. And they're the future of fraud on the Internet.

The first wave of attacks against the Internet was physical: against the computers, wires and electronics.

Read More →

Photo of Bruce Schneier by Per Ervland.

Schneier on Security is a personal website. Opinions expressed are not necessarily those of Resilient Systems, Inc.