How to prevent security breaches when patching is not an option

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Palo Alto Networks LogoBusinesses should beware of relying too much on software patches to avoid falling victim to ‘zero-day’ vulnerabilities. According to Palo Alto Networks, they are opening their systems up to cyber security breaches.

Patches shore up the inevitable flaws and vulnerabilities in software. However, often patches are only developed in response to a hacker discovering the flaw in the first place, leading to potential cyber attacks.

Gavin Coulthard, Systems Engineering Manager for Australia and New Zealand, Palo Alto Networks, said, “When vendor-issued patches aren’t used properly, or if vendors stop supporting applications, users can become vulnerable to so-called zero-day vulnerabilities. While it makes good business sense to upgrade and install patches wherever possible, there are times when patching simply isn’t an option.

When organisations must operate un-patchable applications and systems, they need to deploy endpoint security systems. This can help prevent security breaches that result from exploitation of known and unknown vulnerabilities.

Gavin Coulthard said, “While individual patches can close software holes that lead to vulnerabilities, endpoint security solutions can identify known threats and prevent them from using those vulnerabilities to gain unauthorised access in the first place, whether the vulnerability was known or not.”

For example, attacks that exploit unpatched vulnerabilities typically place malicious code in seemingly-innocuous data files. The user opens the file, and the malicious code exploits the unpatched vulnerability, often giving the attacker full control over the endpoint.

The ideal solution focuses on blocking core techniques that all exploits must use to compromise applications, rather than focusing on individual application vulnerabilities. This approach means that applications are no longer vulnerable, even if security patches are not applied.

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