What is heap spraying? Heap spraying is a technique using which an attacker can write a certain sequence of bytes at a predetermined memory location of a process. Then, the attacker can exploit that to facilitate the execution of arbitrary malicious code. Let's try to...
When we type a URL in the address bar of the browser, our computer communicates with the DNS servers to get the corresponding IP address of the website. Usually, these DNS queries are unencrypted. So, attackers can intercept this process of Domain Name Resolution for...
Cybercriminals often send spoofed emails by forging the email address of some legitimate authority or someone well-known to us. They often do this for phishing or spreading malware. SPF or Sender PolicyFramework, DKIM or DomainKeys Identified Mail, and DMARC or...
What is POS malware? POS malware is a type of malware using which cybercriminals steal sensitive credit card data of victims and exploit that for malicious purposes and cause heavy financial loss to the victims. The malware infects a POS system and then collects the...
What is the Extended Validation (EV) certificate? We need to use encrypted communication protocols like SSL/TLS and SSH to transfer sensitive data between two hosts. And, public-key cryptography is used to initiate communication in those protocols. In a secured...
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