Phishing through e-mail marketing services

Phishing through e-mail marketing services

To bypass antiphishing technologies, malefactors can use legitimate e-mail service providers, or ESPs — but dangerous letters aren’t unstoppable. Scammers have used various tricks over the years to bypass antiphishing technologies. Another scheme with a high success...
How Web Shells Work

How Web Shells Work

A web shell is a malicious script that provides an attacker with a convenient way to launch further attacks using a compromised web server. Web shells are installed after successful initial exploitation and can provide a permanent backdoor into web applications and...