入侵指标 (IoC) 是攻击者或恶意软件留下的证据，可用于识别安全事件。
Indicators of compromise (IoCs) are information about a specific security breach that can help security teams determine if an attack has taken place. This data can include details about the attack, such as the type of malware used, the IP addresses involved, and other technical details.
Indicators of compromise (IoC) help organizations locate and confirm the presence of malicious software on a device or network. Attacks leave behind traces of evidence, such as metadata. The evidence can be used by security experts to detect, look into, and address security incidents.
有几种不同类型的 IoC 可用于检测安全事件。包括：
IoCs resemble indicators of attack (IoA), however, they differ slightly. IoAs focus on the likelihood that an action or event may pose as a threat.
For example, an IoA indicates that a known threat group has a high probability of launching a distributed denial-of-service (DDOS) attack against a website. In this situation, an IoC might show that someone has gained access to the system or network and transferred a large amount of data.
Security teams frequently use both IoAs and IoCs to identify attacker behavior. For another example, an IoC identifies unusually high network traffic, while the IoA is the prediction that the high network traffic may indicate a upcoming DDoS attack. Both indicators help provide important insight into potential threats and vulnerabilities in networks and systems.
Indicators of compromise (IoC) best practices covers several techniques, including using both automated and manual tools to monitor, detect, and analyze evidence of cyber attacks.
As new technologies and attack vectors emerge, it is incredibly important to regularly update IoC procedures. By staying up-to-date on IoC procedures and best practices, organizations can stay ahead of the threat landscape and protect themselves from malicious activity.
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