The SI unit for radioactivity, the becquerel (Bq), is named after him. Roentgen discovered X-rays on November 8, 1895. The press reported this on January 5, 1896, shortly before Becquerel did his famous experiment. Thus radioactivity was discovered the following year but within a year of the discovery of X-rays.
Book Details. Book Description. A penetration test, also known as pentest, is a method of assessing computer and network security by replicating an attack on a computer system or network from the outside world and internal threats. With the increase of advanced hackers and threats to our virtual world, pentesting is an absolute necessity.
In most cases, a cybersecurity vulnerability assessment is going to be more valuable for a firm to conduct as a standalone effort. Certainly, a penetration test is conjunction with a vulnerability assessment can be beneficial to a firm â particularly to a firm with a large web presence. An e-commerce company, for example, which deals in a lot of web-based transactions, may find it helpful to access how easy or difficult it would be for a hacker to get inside its walls.