How can data be exfiltrated?

Data exfiltration is the act of deliberately moving sensitive data from inside an organization to outside an organization’s perimeter without permission. This can be done through hacking, malware, or a social engineering attack.

Which port is used for data exfiltration?

A recent DNS security survey revealed that 46 percent of the respondents had been victims of data exfiltration and 45 percent had been subject to DNS tunneling—often used as a method of exfiltrating data—through DNS port 53.

How do hackers transfer files?

If SSH isn’t available, hackers could also use the File Transfer Protocol (FTP) to easily download any files they are authorized to access on the system. Since the systems are already communicating, a hacker can use NJE to send any of the data it wants to exfiltrate to a separate system under their control.

What do Exfiltrate means?

1 : to remove (someone) furtively from a hostile area Kublinski avoided detection. He was exfiltrated from Poland, with his family, only after being compromised by a leak from the U.S. government.— Radek Sikorski. 2 : to steal (sensitive data) from a computer (as with a flash drive) intransitive verb.

How is DNS data exfiltration detected?

DNS tunneling poses a significant threat and there are methods to detect it. DNS tunnels can be detected by analyzing a single DNS payload or by traffic analysis such as analyzing count and frequency of requests. Payload analysis is used to detect malicious activity based on a single request.

What means exfiltration?

What are possible causes of database loss?

The major causes of data loss are outlined below:

• Human error. Human error is the root cause of most data loss in business as humans are, by nature, not perfect.
• Theft.
• Software corruption.
• Computer viruses.
• Hardware impairment.
• Natural disasters.
• Power failure.
• Business functions can be destroyed.

What can you do to stop data exfiltration?

What can you do to stop data exfiltration? At first identify your data sources. Determine data flows. When you make a data protection plan, you need to develop a clear understanding of the location of your data and how they exists ( encrypted or unencrypted) and find out the strength of your data access control mechanism and management system.

What is data exfiltration and how does it affect your business?

Another data exfiltration meaning is data exportation and extrusion, data leakage, or data theft, which can pose serious problems for organizations. Failing to control information security can lead to data loss that could cause reputational and financial damage to an organization. How Does Data Exfiltration Occur?

What are the two types of data exfiltration?

But, you can broadly group attempts into two categories: data exfiltration by someone within the organization, for example, a disgruntled or negligent employee, and data exfiltration by someone outside the organization; for example, a competitor.

Who can exfiltrate your data without your knowledge?

Your data can be transferred without your knowledge using data exfiltration techniques used by both external and internal actors and tools used by companies. Who can exfiltrate your data? In general, there are three types of threat actors motivated by various reasons.