Cybersecurity requires more than just a single action or approach because threats exist on many levels. Some of the biggest threats, in fact, can be internal: employees who aren’t fully aware of cybersecurity threats like phishing are a risk; incorrect configurations within your infrastructure can bring your website down (in fact, configuration errors can bring down half the internet). Cybersecurity isn’t just about securing web traffic through transport layer security (TLS) or putting up a firewall, even though these are necessary fundamentals.
The market for cybersecurity solutions never declines; there are always new and more malicious threats around the next corner. The market has never seen as much demand as during the recent COVID-19 crisis.
As you probably know, Varnish has always been a very secure piece of software but so far, that safety only applied to itself and therefore, a malicious request could still go through it and hurt your backend. But as a reverse-proxy (load-balancer, origin shield, etc.), Varnish is going to see everything the backend receives and sends, so there's a great opportunity here to sanitize the traffic before it reaches it.
The Varnish Web Application Firewall (WAF) is finally available.
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