URL shortening service is getting more popular. Google also has a URL shortner service. But TinyURL.com and Bit.ly are more famous. Now days attackers are using these URL shortner services to reach their targets.
URL shortening service was developed to protect urls from damage in emails. Using these service is very simple. Just go to any url shortner service and enter your URL which you want to short and click shorten. The website will generate a short URL for the corresponding URL.
Risks involved in Short URLs
One thing i want to make clear that all short URLs are not harmful. But some may be. So you need to know how to know which is good one and which is harmful. Most of the attackers use short URLs to send phishing page. In short URL it is not easy to recognize the original URL. Short URLs easily bypass anti-spam filters.
How to protect:
If you think that the URL is suspicious, go the URL shortener service used to short the URL. Then Enter the short URL there to see the preview of that page. You can easily get the original URL there.
Advice : Never open shortened URLs directly without previewing
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