Over 4,000 unique backdoors have been found. These backdoors rely on expired or abandoned internet domains for communication, making them vulnerable to hijacking. Many of these backdoors are located on systems belonging to governments and academic institutions, making these organisations particularly vulnerable to cyberattacks. However, those domains expire or are abandoned, but anyone can buy them, often for as little as $20.
According to a report by Eclypsium, Palo Alto Networks firewalls contain significant security flaws in their firmware and security configurations. These vulnerabilities are not obscure or complex but relatively well-known issues that should not exist in enterprise-grade devices. The problems involve misconfigurations in features such as Secure Boot, which ensures that only trusted firmware and software will execute.
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