What is Log4j Vulnerability ??

Log4j vulnerability was disclosed on December 9, 2021. It is a serious vulnerability in the java-based logging utility from Apache Software Foundation.This issue was discovered by Chen Zhaojun of Alibaba Cloud Security Team.The flaw has also been dubbed as “Log4Shell,”, and has the highest possible severity rating of 10Log4j is a very popular logging framework used … Continue reading What is Log4j Vulnerability ??


Big O Notation is a mathematical notation, which is used to abstractly describe the behavior of an algorithm in computer science. It is used to express the efficiency or complexity of an algorithm by describing how a program will scale with growing input size. A program to search for a number in a data set … Continue reading BIG-O NOTATION & ALGORITHM ANALYSIS