Anders Bjørnestad
Seniorkonsulent, Webstep AS
Oslo, Norway
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Anders have a background as software developer, and have been working with AWS-technology for more than 10 years. Past years his main focus is sharing his knowledge and experiences with customers and communities across the world. He holds several AWS certifications as well as being an Authorized AWS instructor, AWS Community Hero and AWS Ambassador.
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Using Serverless@Edge to keep spam-bots out of the system
In this session, we look at the timeline, analysis, and solution implemented for a sudden attack by spammers. Suddenly, the number of newly registered users in our system spiked. We could see that these new users were likely spam-bots. It was a more sophisticated attack than earlier seen as captcha and email-verification were bypassed. We already had some countermeasures in place, but needed a quick and cost-effective solution. Running on AWS we used lambda@edge and Web Application Firewall to stop 99% of the spammers within a very short time-frame without changes to the original system.
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