Tahami Rehman blogs

Every error I fixed taught me something the working code couldn't. My first real debugging lesson came from a tiny Python program. When you're learning programming, there's a strange moment that happens sooner or later. You write the code. You read it again. The logic makes sense. You run it. And Python basically says: No. 😐 That happened to me while building a simple Caesar cipher in Python. And surprisingly, the error taught me more... Read More What I Was Building I was working on a basic Caesar cipher . The idea is simple: Take a letter and shift it through the alphabet. For example, with a shift of 3: A → D B → E C → F So a message like: hello could become something like: khoor It's obviously not strong encryption for modern security, but it is a great beginner project for understanding how text,... Read More I wanted my program to do three basic things: Take text from the user. Encrypt the text. Decrypt it back. I also wante...

“As AI agents gain access to tools, data and digital systems, securing their permissions and actions becomes a new cybersecurity priority.” The AI assistant you trust could become an attacker's pathway. Imagine your company deploys an AI agent. It can read emails. It can search company documents. It can access cloud storage. It can use business applications. It can even take actions on your behalf. At first, this sounds like the future of productivity. But there's one question security teams can't ignore: What happens if the AI agent itself is manipulated? This isn't simply science fiction anymore. As AI systems move from generating answers to taking actions, security... Read More AI Agents Are Different From Ordinary Chatbots A normal chatbot might answer: "How do I reset my password?" An AI agent could potentially do much more. For example, it might: • Read information • Search websites • Access files • Call APIs • Use software too...

“As AI agents gain access to real systems and data, they are becoming a new part of the cybersecurity attack surface.” Imagine your company gives an AI assistant access to: Your emails Company documents Cloud storage Code repositories Internal websites Business tools The AI can read information. It can make decisions. It can use tools. It can even take actions. Sounds productive, right? It is. But now imagine an attacker finds a way to manipulate that AI. Suddenly, the assistant designed to help your company could become a new path into your digital environment. That is one of the cybersecurity... Read More  AI Is No Longer Just a Chatbot For a long time, people thought about AI as something that simply answered questions. You ask. It responds. But the technology is moving toward AI agents that can perform multiple steps... Read More That changes the security equation. An AI agent with no access to anything is relatively limited. An AI agent wi...

“Artificial intelligence can be powerful for good but the same technology can also be abused.” Imagine receiving a phone call from someone you love. You recognize the voice immediately. They sound worried. They tell you they have an emergency and need money quickly. You don't think twice. You send it. A few minutes later, you call them back. They... Read More “What are you talking about? I never called you.” That is when you realize something terrifying: The voice on the phone wasn't them. It was AI.  Welcome to the Age of AI Voice Scams Artificial intelligence has made many things easier. Writing. Translation. Video creation. Voice generation. But the same technology can also be abused. Scammers can use AI tools to create convincing fake voices and combine them with other social-engineering techniques. Security researchers and consumer-security companies are increasingly warning about scams involving voice cloning, deepfake... Read More And the biggest danger isn't s...

“The next cybersecurity challenge is not simply AI-assisted attacks, but increasingly autonomous systems capable of performing multiple steps with limited human direction.” Artificial Intelligence was supposed to make our digital lives easier. But what happens when the same technology becomes a powerful tool for cybercriminals? The cybersecurity world is entering a new chapter. Attackers are increasingly using AI to speed up reconnaissance, create convincing phishing messages, develop malicious tools and automate parts of their operations. At the same time, security teams are using AI to detect... Read More The battle is no longer simply humans vs. hackers . It is becoming: AI vs. AI. Recent cybersecurity research and industry reporting show that artificial intelligence is becoming increasingly involved across... Read More  Why Is AI Changing Cybersecurity So Quickly? Traditional cyberattacks can require significant time, technical knowledge and preparation. AI can reduce som...

Could the next generation of computers move from app based interaction toward AI-driven, intent-based computing? We have become used to opening an app whenever we want AI. Need an answer? Open an AI chatbot. Want an image? Open an AI tool. Need help with coding? Open another AI assistant. Need research? Open another tab. But recently, I started... Read More What if we didn't have to open an AI app at all? What if AI was actually part of the operating system? That idea is becoming more interesting in 2026.  What Is an AI Operating System? A traditional operating system such as Windows, macOS or Linux mainly provides the environment where applications run. An AI-native operating system takes a different approach. Instead of treating AI as just another application, AI can become a central part of how the computer understands instructions, manages... Read More For example, instead of opening several applications manually, imagine saying: “Find the photos from my Downloads folder...

"Sometimes a quiet evening beside the sea is all we need to pause, breathe and appreciate Allah's creation"   Sometimes we don't need an expensive trip to feel refreshed. Sometimes, all we need is a little sea breeze, an open sky, the sound of waves and a peaceful Sunday away from the city's routine.  For Karachi residents, Sandspit Beach Karachi can be an interesting weekend getaway to consider. Located on the southwest coast of Karachi along the Arabian Sea, Sandspit is known for its long sandy shoreline, coastal scenery and connection with marine wildlife. It is also a popular destination for families and.... Read More  A Different Side of Karachi Karachi is usually associated with traffic, busy roads, shopping areas and a fast-moving lifestyle. But its coastline tells a completely different story. At Sandspit, the wide shoreline and open horizon can give you a chance to slow down and simply enjoy nature. For someone spending a busy week studying, workin...