OSINT: Tracking Ships & other Floating Vessels

Synopsis In this post, I will show you how a malicious Hacker can use Shodan Search Information for tracking ships in the open ocean. As nowadays all floating vessels are connected to Satcom boxes with VAST or GSM/LTE the endpoint of Satcom boxes is over the internet that can

Understanding the Transparent Proxy Pattern

What is a Proxy Pattern? Proxy is a design pattern that lets you provide a substitute or placeholder for another object. A proxy controls access to the original object, allowing you to perform something before or after the request gets through to the original object. Why do we use Proxy

How To Add Lazy loading In Angular Application

Are you waiting for your application to load while the world is moving at the speed of light? Don't worry we have a solution to overcome that by using "Lazy Loading". This 5 min read is where we help your application stand out! Let me give you some context. What

The Ethereum Merge

The moment has finally arrived! Awaited by millions of blockchain enthusiasts and cryptocurrency investors all over the world, the Ethereum merge is a huge event in the Web 3.0 ecosystem. Let's take a look at what it is and how it will affect the industry. The Ethereum Blockchain The

How To Protect Your Angular Code using Jscrambler

Let’s look at how to make our Angular code secure. Angular is a Component based framework used for building Single-page Web Applications using Html and TypeScript. A collection of well-integrated libraries that cover a wide variety of features, including routing, forms management, client-server communication, and more. Why Should we

Security in the Web3.0 World

With the Metaverse slowly gaining traction and cryptocurrencies slowly making their way into our lives, it is imperative for us to understand how to protect ourselves in the web3.0 space. Here are 5 steps all of us can take to stay safer in this new era of the internet:

Beating Re-Entrancy Attacks – Part 5 of the Smart Contract Series

Hello all, hope you are doing good, Today, we’ll go over smart contract security, which is something that every developer should be aware of before creating a smart contract. Smart contracts are pieces of code that run on the blockchain and handle millions of dollars. A simple flaw could

How to Deploy Angular App in Aws Ec2 Instance

What is Angular? It is a Component based framework used for building Single-page Web Applications using Html and TypeScript. A collection of well-integrated libraries that cover a wide variety of features, including routing, forms management, client-server communication, and more. What is an EC2 instance? An Amazon EC2 instance is a

Decentralized Social Networks – Boon OR Bane?

With Web 3.0 taking over the internet, blockchain technology and decentralization is the new norm. Blockchain technology has found applications in lots of fields, and social media networks are not far behind. Traditional social media platforms like Facebook, Instagram, Snapchat etc. have amassed millions of users in the past

Everything you need to know about FLASH LOANS

What are Flash Loans? Flash loans were introduced by AAVE, which is an open-source lending protocol for anyone to deposit and borrow cryptographic assets. Flash loans are a new way of obtaining loans in which no collateral is required. Let me explain: Normally in traditional finance, To obtain a loan

How to add Mat-Stepper in Angular

Let’s look at how to add a mat-stepper to an angular application. Firstly, use the following command to add Angular material to your project. ng add @angular/material Go to the app.module.ts file and import MatStepperModule as follows import {MatStepperModule} from '@angular/material/stepper'; @NgModule({ declarations:

Public Key Cryptography – The Building Block of Web 3.0

Web 3.0 depends heavily on public key cryptography: From crypto wallet address to digitally signed transactions, everything uses public key cryptography. So let’s take a look at how it works. Cryptography Cryptography is the field that relates to the security of communications data. The data to be secured

UST Crash Explained

What are UST and LUNA? UST is an algorithmic stablecoin, which means it holds value based on an algorithm that is coded in the smart contract and is not backed by any real-world asset. Instead, it is backed by LUNA Token. LUNA is a native token of the Terra blockchain

How to install Tailwind CSS in Angular 11.2

What is Tailwind CSS: Tailwind CSS is used to create websites in the fastest and easiest way. Tailwind CSS is a utility-first CSS framework that focuses on creating personalized user interfaces quickly. It is user-friendly as it is highly customizable. Advantages: 1. User-friendly 2. The faster UI building process 3.

Oracles: Connect real-world data with the Blockchain world

What are oracles? In the blockchain, any data that is written on-chain is accessible. However, we cannot access anything which is outside of the blockchain. To fill this gap oracle comes into play. Oracle is a middleware that is used to connect off-chain data to on-chain. In this way, smart

The Ronin Hack – What Went Wrong

On the 23rd of March 2022, the Ronin network suffered one of the biggest hacks in crypto history, with an attacker stealing $540M in cryptocurrency from the network. The Ronin bridge powers the cypto game, Axie Infinity, where players can earn in-game currency which can later be exchanged for real

Smart Contract Audit Process – Part 4 of the Smart Contract Series

In our previous posts, we have talked about smart contract security and the tools involved in the auditing process. Today, we are going to walk through our process for auditing smart contracts, by reviewing the process for a recent smart contract audit conducted by us. This is usually done in

Tools for Smart Contract Security Auditing – Part 3 of the Smart Contract Series

In the previous posts in this series, we discussed smart contracts and smart contract security. Now, let’s take a look at how we can secure our smart contracts with the help of some tools. We’re going to be focusing on smart contracts written in Solidity, as that is

Smart Contract Security – Part 2 of the Smart Contract Series

In June 2016, attackers drained TheDAO smart contract of 3.6 million Ether (valued at $70M at the time) due to a vulnerability in the smart contract’s code, which made it possible to withdraw money from it without any change being made to the withdrawer’s balance. In August

Introduction To Smart Contracts – Part 1 of the Smart Contract Series

With the advent of blockchain technology, web 3.0 has taken over the world. From cryptocurrency exchanges to NFT (non-fungible tokens) marketplaces, blockchain technology has become the future. And smart contracts are at the forefront of this technology era. What is a blockchain? A blockchain is a way of storing

How to create Angular Material Data Table

In this article, we’ll go over an example of how to use the Angular Material Data Table with sorting, pagination, and filtering in the Angular project. Getting started with Angular Material Install angular material in your Angular project by using the following command. ng add @angular/material Now, import

Year in review 2021: Top 5 things that happened in cyber security

Hello Hackers. Hope you are all doing good; 2021 is likely to be the year of a data breach because many big tech companies like Facebook, Linkedin, Big basket, twitch, and others were also affected. But we are not going to discuss all of them in this blog post, ok

Log4Shell: The Log4j Vulnerability

Hello all, Today, we’ll look at how a specially crafted string can lead to remote code execution (RCE), and how this vulnerability affects the majority of the internet. Let’s dive into the topic. What is log4j? Log4j is a logging framework written in java. Developers often use logs

Are Passwords Becoming Obsolete? – Exploring The Issues With Password-Based Authentication

With the number of websites on the internet growing by leaps and bounds, so are the number of accounts we create on these websites. Email addresses, social media accounts, e-commerce websites, storage accounts, cloud services, gaming services, streaming services, and the list goes on… With that, another problem arises – having

Beginners Guide To Cyber Security: Basics

Cyber security is a field that is growing and changing rapidly and this means that it's a challenge to keep up. There is a lot of buzz about it because it's growing and changing so quickly and this means that there are a lot of new terms that you need