Skip to main content

Posts

Microservice best practices

Benefits of a microservice architecture The compelling benefits of microservices have convinced business giants like Netflix, Amazon, and eBay to fully embrace this architecture. Microservices, as opposed to more typical monolithic design frameworks, provide numerous major advantages, including: 1. Enhanced fault isolation A single component failure in a monolithic design can destroy the entire system. In contrast, because each microservice functions separately, it is less likely to influence other application sections if one service fails in a microservice design. Tools like GitLab and others can help you create fault-tolerant microservices and improve overall infrastructure resilience. 2. Improved modularity Microservices provide an enhanced level of modularity, presenting a significant advantage for organizations requiring rapid application modifications. Breaking down an application into smaller components enables implementing changes quickly and with lower risk. Additionally, th...

SPRINGBOOT Interview Questions

What are the Features of Spring Boot? There are many useful features of Spring Boot. Some of them are mentioned below: Auto-configuration – Spring Boot automatically configures dependencies by using @EnableAutoconfiguration annotation and reduces boilerplate code. Spring Boot Starter POM – These Starter POMs are pre-configured dependencies for functions like database, security, maven configuration etc. Spring Boot CLI (Command Line Interface) – This command line tool is generally for managing dependencies, creating projects and running the applications. Actuator – Spring Boot Actuator provides health check, metrics and monitors the endpoints of the application. It also simplifies the troubleshooting management. Embedded Servers – Spring Boot contains embedded servers like Tomcat and Jetty for quick application run. No need of external servers. Features of Spring Boot What does the @SpringBootApplication annotation do internally? The @SpringBootApplication annotation combines three anno...

Microservice best practices for your projects

Benefits of a microservice architecture The compelling benefits of microservices have convinced business giants like Netflix, Amazon, and eBay to fully embrace this architecture. Microservices, as opposed to more typical monolithic design frameworks, provide numerous major advantages, including: 1. Enhanced fault isolation A single component failure in a monolithic design can destroy the entire system. In contrast, because each microservice functions separately, it is less likely to influence other application sections if one service fails in a microservice design. Tools like GitLab and others can help you create fault-tolerant microservices and improve overall infrastructure resilience. 2. Improved modularity Microservices provide an enhanced level of modularity, presenting a significant advantage for organizations requiring rapid application modifications. Breaking down an application into smaller components enables implementing changes quickly and with lower risk. Additionally, the ...

Microservices design patterns

Microservices design pattern Next :  saga-design-pattern-microservices

What is runbook ?

 A runbook is a detailed “how-to” guide for completing a commonly repeated task or procedure within a company’s IT operations process (e.g. provisioning, software updates / deployment, change configs, and opening ports). Runbooks are created to provide everyone on the team—new or experienced—the knowledge and steps to quickly and accurately resolve a given issue. For example, a runbook may outline routine operations tasks such as patching a server or renewing a website’s SSL certificate. Think of a runbook as a recipe. It provides detailed instructions for completing a specific task in a quick and efficient manner based on previous experiences with resolving the issue. Runbooks allow more experienced members on the team to share their knowledge so newer or more junior members can more easily resolve commonly faced issues themselves. It also means all team members can quickly refresh their memory and follow detailed steps without having to memorize countless individual procedures. W...

How to Monitor application ?

Summery :  Dashboards. Event-Driven Alerts Logging System Tools for Monitoring Integrations (you can add from exchange). Live Demo  Logging & monitoring Tools  Splunk: Splunk is an enterprise software company that makes machine data accessible, usable and valuable to everyone. Manily used for log management. AppDynamics: Application monitoring. Datadog is used for observability and monitoring.

Best Practices in Logging

Summery :  Follow best practices in logging, such as avoiding logging sensitive information and using appropriate log levels for different scenarios. use asynchronous logging over synchronous with a minimum logging level of WARN for a production application. In some cases, enable INFO logging level when you need to confirm events such as successful policy installation or to perform troubleshooting. Avoid logging sensitive information. Using correlation identifier to trace system calls across application layers. Use categories to turn on/off logging during runtime, for eg we need diff. log level for Dev & PROD.  If a flow uses several loggers, add some fixed text in the logger’s message to identify where it was generated. 

Logging in Mulesoft

 Logger Component  This Core component helps you monitor and debug your Mule application by logging important information such as error messages, status notifications, payloads, and so on. You can add a Logger anywhere in a flow, and you can configure it to log a string that you specify, the output of a DataWeave expression you write, or any combination of strings and expressions. / Type of Log in Mulesoft: System Log : It is specific to MuleSoft runtime & “log4j.xml” configuration file is not accessible to an user.System logs contains log messages about the MuleSoft runtime life cycle (startup and shutdown) & status messages about MuleSoft application. Application Log : It is specific to MuleSoft application & “log4j.xml” configuration file is packaged inside MuleSoft application. It contains all log messages generated inside the Mule application, including System.out messages. We can configure custom log file appender to send application log data outside of cloud...

MQ-Based Integration vs. REST API-Based Integration: Choosing the Right Path for Your Architecture

In today's interconnected world, integration is at the heart of seamless operations.  Two of the most popular methods for connecting systems are  1. Message Queue (MQ)-based integration  2. REST API-based integration. But how do you choose the right one for your needs? 🔄 MQ-Based Integration : - Asynchronous Communication : Ensures reliability and resilience, allowing systems to communicate without waiting for an immediate response. Perfect for handling high volumes of data and complex workflows. - Decoupled Systems : MQ allows systems to operate independently, reducing dependencies and enhancing scalability. - Guaranteed Delivery : Messages are queued and delivered even if the destination system is temporarily unavailable, ensuring that no data is lost. 🌐 REST API-Based Integration : - Synchronous Communication : Ideal for real-time, request-response interactions where immediate feedback is needed. - Ease of Use : REST APIs are widely adopted, easy to implement, and pe...

Top 10 Biggest Cyber Attacks in History.

The World Behind the Screen- A History of Cyber Attacks. You trust your computer, don't you?  Your phone, the apps you use every day.  But behind the screen, a silent war rages.  From viruses to state-sponsored espionage, cyber attacks are a chilling reality.  This is the story of the top ten biggest cyber attacks in history. Chapter 1: A History of Cyber Attacks Chapter 2: A Pandemic of Ones and Zeros. Chapter 3: The Day Email Stopped. Chapter 4: The Dawn of Cyber Warfare Chapter 5: The Price of Trust. Chapter 6: Holding the World Hostage. Chapter 7: Lights Out in Hollywood. Chapter 8: The Hacktivists in the Shadows. Chapter 9: A Nation in Darkness. Chapter 10: The Ghosts in the Machine. Chapter 11: The Supply Chain Attack. Chapter 12: A Double-Edged Sword. Learn From Video below: Story of the top ten biggest cyber attacks in history

Quantum Computing challenges and benefits in Cyber Security.

  The Quantum Threat to Cybersecurity Quantum computers will be able to solve problems that are far too complex for classical computers to figure out. This includes solving the algorithms behind encryption keys that protect our data and the Internet’s infrastructure.  Much of today’s encryption is based on mathematical formulas that would take today’s computers an impractically long time to decode. To simplify this, think of two large numbers, for example, and multiply them together. It’s easy to come up with the product, but much harder to start with the large number and factor it into its two prime numbers. A quantum computer, however, can easily factor those numbers and break the code. Peter Shor developed a quantum algorithm (aptly named Shor’s algorithm) that easily factors large numbers far more quickly than a classical computer. Since then,  scientists have been working on developing quantum computers that can factor increasingly larger numbers.   Today’s...

Benefits and Challenges of AI in Cyber Security

AI Cyber Security in AI   Faster Threat Detection and Response Leveraging AI helps you better understand your networks and identify potential threats faster. AI-powered solutions can sift through vast amounts of data to identify abnormal behavior and detect malicious activity, such as a new zero-day attack. AI can also automate many security processes, such as patch management, making staying on top of your cyber security needs easier. It can help you respond faster to attacks by automating specific tasks, such as rerouting traffic away from a vulnerable server or alerting your IT team to potential issues. Improved Accuracy and Efficiency AI-based cyber security systems provide improved accuracy and efficiency compared to traditional security solutions. For example, AI can scan scads of devices for potential vulnerabilities in a fraction of the time it would take human operators to do the same task. Furthermore, AI algorithms can recognize patterns that may be difficult for the hum...

The Role of Blockchain in Strengthening Your Cybersecurity.

  Blockchain offers a different approach to cybersecurity due to its inherent nature as a decentralized system. This  decentralized architecture  significantly reduces vulnerabilities commonly exploited in centralized systems. Other inherent blockchain cybersecurity benefits include: Robust encryption methods . In blockchain, each data block is encrypted and linked to the previous one, forming a tamper-resistant chain. This cryptographic structure ensures data security and integrity, making any tampering attempts evident. This makes blockchain well-suited for securing sensitive data and financial transactions, and for keeping reliable digital records. Immutable records . Nobody can modify records on blockchain. If you want to make a change in the record, you will have to make a new transaction, and both the original and the new transactions remain visible on the ledger. This unchangeable record-keeping is a key cybersecurity advantage, deterring fraud and maintaining data...

I Love You Virus

  In May of 2000, a young hacker in the Philippines named Onel de Guzman created an email worm that would change the way the world thought about cybersecurity. De Guzman had just dropped out of college after his professors rejected his undergraduate thesis paper, on the possibility of using malware to steal internet passwords from people in the neighborhoods nearby. The ILOVEYOU  virus  comes in an email with "ILOVEYOU" in the subject line and contains an attachment that, when opened, results in the message being re-sent to everyone in the recipient's Microsoft Outlook address book. Perhaps more seriously, it results in the loss of every JPEG, MP3 and certain other files on all recipients' hard disks. Since  Microsoft Outlook  is widely installed as the default email management application in corporate networks worldwide, the ILOVEYOU virus can spread rapidly within a corporation. In fact, this is exactly what happened on May 4, 2000. In just about 10 days, ILOV...

The NotPetya Virus (2017)

  What is Petya ransomware? Petya is a strain of  ransomware  that was first identified in 2016. Like other types of ransomware, Petya  encrypts  files and data on the victim's computer. The operators of Petya demand payment in Bitcoin before they will decrypt the files and make them usable again. Unlike some older ransomware strains, which only encrypt certain important files in order to extort the victim, Petya locks up a computer's entire hard disk. Specifically, it encrypts a computer's Master File Table (MFT), making it impossible to access any files on the hard disk. Petya has only been observed targeting computers with Windows operating systems. How does Petya ransomware spread? Similar to many other ransomware attacks, Petya spreads mostly through email attachments. Attackers send emails to HR departments with fake job applications attached. The attached PDFs either  contain an infected Dropbox link  or are  actually executable files in di...

Stuxnet

  Zero Days (2016):A documentary focused on Stuxnet, a piece of self-replicating computer malware that the U.S. and Israel unleashed to destroy a key part of an Iranian nuclear facility, and which ultimately spread beyond its intended target. Stuxnet is a computer worm that was originally aimed at Iran’s nuclear facilities and has since mutated and spread to other industrial and energy-producing facilities. The original Stuxnet  malware attack  targeted the programmable logic controllers (PLCs) used to automate machine processes. It exploited a previously unknown Windows zero-day vulnerability to infect the targeted system and spread to other systems. The virus primarily targeted separators at uranium enrichment plants in Iran. However, cyber attackers have modified and adapted it over time to attack other facilities, such as power plants and gas pipelines. No country has officially acknowledged the development of Stuxnet, but it is widely believed that the United States ...