Atos Senior Security Analyst Interview Questions and Answers

I came across a vulnerability in a web application that allowed for SQL injection attacks.

• Identified lack of input validation in user inputs

• Discovered that the application was directly executing user-supplied SQL queries

• Suggested implementing parameterized queries to prevent SQL injection

• Tested the vulnerability by attempting to inject SQL code through input fields

It depends on the specific use case and requirements.

• TCP is reliable and ensures all data is delivered in order, but it can be slower due to the overhead of error-checking and retransmission.

• UDP is faster and more efficient for real-time applications like video streaming or online gaming, but it does not guarantee delivery or order of packets.

• Choose TCP for applications that require reliable data transmission, such as ...read more

Hashing is a process of converting input data into a fixed-size string of bytes using a mathematical algorithm.

• Hashing is commonly used in password storage to securely store user passwords without storing the actual password.

• Hashing is used in digital signatures to ensure the integrity of the signed data.

• Blockchain technology uses hashing to create a secure and tamper-proof record of transactions.

• File integrity checks ...read more

Prioritizing and remediating vulnerabilities using OWASP Top 10

• Start by identifying the vulnerabilities that pose the highest risk to the organization

• Use the OWASP Top 10 as a guide to prioritize vulnerabilities

• Consider the likelihood and potential impact of each vulnerability

• Remediate vulnerabilities based on their priority level

• Perform regular vulnerability assessments to stay up-to-date on new vulnerabilities

• Example...read more