Related Posts
  • Blog Post: Preventing spam and phishing using e-mail authentication

    Hi, my name is John Scarrow and, in conjunction with other product groups, I oversee service abuse and security issues for Windows Live and other Microsoft products such as Internet Explorer. Building from Dick Craddock’s previous post , I’m going to get into the nuts and bolts of how we fight phishing...
  • Blog Post: Hey! My friend’s account was hacked!

    At Hotmail, we know that account hijacking is a big problem, and we continue to work hard to prevent it. We’ve noticed a couple of things about hijacked accounts. First, many accounts have weak passwords that make them easy targets for hijackers. Second, when someone’s account gets hijacked, their friends...
  • Blog Post: I will NEVER ask for your password

    There are a lot of bad things on the Internet, and few are worse than phishing scams. But there is a certain class of phishing scam that has earned a special level of disdain and disgust, at least from me. I’m talking about the phishing scams that target Hotmail customers using my name, my picture, and...
  • Blog Post: Getting a reputation: How SmartScreen looks at URLs

    I'd like to talk a bit about how we determine the reputation of different URLs and IPs and use this to protect against spam, phishing, and other abuse in Internet Explorer and Windows Live Hotmail . Let's start with a bit of background. When an abuser–a spammer, phisher, or malware distributer–attacks...
  • Blog Post: Just say no to bogus Messenger invitations

    Windows Live Messenger is both a powerful and fun communications tool for staying in touch with your friends, family and co-workers.  It is a semi-enclosed environment where you can freely interact with the people you know and trust – the people in your network. Unfortunately, over the last couple...
  • Blog Post: Turning off vacation replies to fight spam in Hotmail

    We’ve posted quite a bit recently about the work we’re doing to prevent spam on Windows Live ( Just say no to bogus Messenger invitations , Preventing spam and phishing using e-mail authentication , Spam, phishing, and other annoyances , and Fighting the war on spam ). In our fight against spam, we sometimes...
  • Blog Post: 90% less spam in Hotmail, 15% less spam on the Internet

    In our war on spam, we’re making real progress. We’ve cut spam in Hotmail inboxes by 90% from its peak. We’ve played a key role in reducing spam on the Internet by 15% from its peak. And we’ve made it harder for spammers to use Hotmail to send spam – reducing “outbound spam” from Hotmail by 75%. Last...