Fileless attacks are a type of cyber threat that doesnt involve malware being written to disk. Instead, they operate in-memory, leveraging legitimate tools and processes to carry out malicious activities without leaving a traceable file behind.
In the first half of 2018, fileless attacks saw a significant 94% increase compared to the previous year. This sharp rise indicates a shift in cybercriminal tactics, moving towards stealthier methods that are more difficult to detect and defend against.
Fileless attacks have become more popular among cybercriminals because they offer several advantages over traditional malware-based attacks. They are harder to detect by traditional security measures, making them an attractive option for those looking to bypass defenses and infiltrate networks undetected.
Fileless attacks typically involve exploiting vulnerabilities in legitimate software or operating systems to gain access to a system. Once inside, attackers use tools already present on the system to carry out their malicious activities, making them harder to identify and stop.
To defend against fileless attacks, organizations should focus on implementing a multi-layered approach to cybersecurity. This may include educating employees on best practices for security, regularly updating software and systems, and utilizing advanced threat detection and response tools to identify and neutralize threats.
The consequences of a successful fileless attack can be severe. Attackers can steal sensitive data, install ransomware, or disrupt business operations, resulting in financial loss, reputation damage, and regulatory fines. Its essential for organizations to be proactive in defending against fileless attacks to mitigate these risks.
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94% Increase in Fileless Attacks in H1 2018.