What is the highest port number being open less than 10,000? 8080 There is an open port outside the common 1000 ports; it is above 10,000. What is it? 10021 How many TCP ports are open? 6 What is the flag hidden in the HTTP server header? THM{web_server_25352} What is the flag hidden in theContinue reading “Net Sec Challenge”
Author Archives: Aayush Goel
Risk Assessment and Audit Charter
Risk Assessment The whole CISA exam works around the concepts of risk assessment methodology. ISACA expects aspirants to have deep knowledge of terms in risk assessment. What is risk? A probability or threat of damage, injury, liability, loss or any other negative occurrence that is caused by external or internal vulnerabilities and that may beContinue reading “Risk Assessment and Audit Charter”
AWS Messaging and Integration Services
Simple Queue Service (SQS) SQS is a message queuing service that allows you to build loosely coupled systems. Features: Allows component-to-component communication using messages. Messages are processed in an asynchronous manner. Multiple components can add messages to the queue. Helps to improve performance and scalability. Important for the exam: Queues are processed in FIFO order.Continue reading “AWS Messaging and Integration Services”
AWS Infrastructure as Code (IaC)
IaC allows you to write a script to provision AWS resources. The benefit is that you provision resources in a reproducible manner that saves time. CloudFormation CloudFormation allows you to provision AWS resources using IaC. Features: Provides a repeatable process for provisioning resources. Works with most AWS services. Create templates for the resources you wantContinue reading “AWS Infrastructure as Code (IaC)”
AWS Developer Service
Software developers use tools to accelerate the software development and release cycle. Services: Cloud9 Cloud9 allows you to write code within an integrated development environment (IDE) from within your web browser. Features: Integrated development environment (IDE). Write and debug code. Supports popular programming languages. Cloud9 preconfigures the development environment with the needed SDKs and libraries.Continue reading “AWS Developer Service”
Machine Learning Services
Artificial Intelligence(AI) teaches computers to do things that normally require human intelligence. Some services: Rekognition Rekognition allows you to automate your image and video analysis. Features: Image and video analysis. Identify custom labels in images and videos. Face to text detection in images and videos. Comprehend Comprehend is a natural-language processing (NLP) service that findsContinue reading “Machine Learning Services”
AWS Analytics Services
Data Warehouse A data warehouse is a data storage solution that aggregates massive amounts of historic data from disparate sources. Benefits: Data warehouses support querying, reporting, analytics. And business intelligence. They are not used for transaction processing. Amazon Redshift Redshift is a scalable data warehouse solution. Features: Data warehousing solution. Handles exabyte-scale data. Improves speedContinue reading “AWS Analytics Services”
AWS Migration Services
A lot of companies are migrating to the cloud, and they need inexpensive, fast, and secure ways to move their on-premises data to AWS. Data Migration Service (DMS) DMS helps you migrate databases to or within AWS. Features: Migrate on-premise databases to AWS. Supports homogeneous and heterogeneous migrations. Continuous data replication. Virtually no downtime. UseContinue reading “AWS Migration Services”
AWS Database Services
Amazon Relational Database Service (RDS) RDS is a service that makes it easy to launch and manage relational databases. Features: Supports popular database engines. Offers high availability and fault tolerance using multi-AZ deployment. AWS manages the database with automatic software patching, automated backups, operating system maintenance, and more. Launch read replicas across Regions in orderContinue reading “AWS Database Services”
AWS Networking Services
Amazon Virtual Private Cloud (VPC) VPC is a foundational service that allows you to create a secure private network in the AWS cloud where you launch your resources. Features: Private virtual network. Launch resources like EC2 instances inside the VPC. Isolate and protect resources. A VPC spans Availability Zones in a Region. VPC peering allowsContinue reading “AWS Networking Services”