Sameer Naik

Understanding Criminal Charges, Public Trust, and Democracy A simple guide for citizens In many countries, especially large democracies, citizens often hear about criminal cases linked to people holding public positions. This can feel confusing, worrying, or overwhelming. To understand this better, it is important to separate legal concepts , public perception , and democratic realities . This article explains these ideas in simple language , without focusing on any individual or political group. 1. What kinds of crimes are commonly discussed in public life? Most cases discussed in public records and affidavits are not violent crimes . They usually fall into a few broad categories: 🔹 Economic and financial offences These include: Cheating or deception to gain money or property Misuse of funds that were entrusted to someone Breach of trust in professional or official roles Such cases are often linked to contracts, institutions, banks, businesses, or government decisions . 🔹 Document-r...

  Implementing High-Traffic Enterprise DNS with On-Prem + Cloud Hybrid Setup on RHEL Introduction DNS (Domain Name System) is the backbone of the internet, translating human-readable domain names into IP addresses. In enterprise environments, DNS must handle high traffic, high load , and ensure redundancy, security, and scalability . Combining on-premises physical servers with cloud DNS services provides a hybrid solution for resilience and global reach. This guide explains step-by-step how to implement this architecture using: Physical servers: IBM, HP, Dell Operating system: Red Hat Enterprise Linux (RHEL) DNS software: BIND Hybrid architecture: On-prem + Cloud secondary DNS Step 1: Hardware and Network Preparation Server Requirements (Each Node): Brand: IBM / HP / Dell CPU: Intel Xeon / AMD EPYC, multi-core RAM: 64–128 GB Disk: OS: SSD RAID-1 Logs / Zones: SSD RAID-10 Network: Dual 10Gb NICs (bonded recommended) Network Configuration: Assign static IP addresses for DNS server...

  SIM Card Security, Supply-Chain Trust, and National-Scale Risk A Technical and Policy-Grade Analysis Abstract Subscriber Identity Modules (SIM cards) form the cryptographic root of trust in mobile telecommunications networks. Although invisible to end users, SIMs execute security-critical functions that underpin authentication, encryption, identity binding, and network access. This article examines theoretical but historically grounded supply-chain risks associated with SIM cards—particularly those arising from silicon-level manipulation, hidden debug access, and compromised cryptographic primitives —and explains why such risks are treated seriously by governments despite the absence of user-visible symptoms or confirmed mass exploitation. This analysis is non-speculative, non-political, and evidence-aligned , focusing on engineering realities and national-infrastructure threat modeling rather than consumer fear narratives. 1. SIM Cards as Security-Critical Computing Devices A S...

  📌 Android 13 (Tiramisu): Known Issues & Vulnerabilities 🛡️ Official Security Vulnerabilities and Patches Android’s security model relies heavily on monthly security updates from Google. These updates include fixes for vulnerabilities in core components such as the Android Framework , System components , and the Linux kernel . Android 13 devices that have current security patches are protected against these issues. ( Android Open Source Project ) 👾 High-Severity Vulnerabilities & Zero-Day Exploits (2025) December 2025 Security Update (Android 13 +) In late 2025, Google released a major update addressing 107 vulnerabilities affecting Android versions including Android 13 . Notable high-severity issues include: ( Tom's Guide ) CVE-2025-48633 — Information Disclosure: affects the Android Framework; could expose sensitive memory data and is confirmed to be under limited targeted exploitation . ( SOCRadar® Cyber Intelligence Inc. ) CVE-2025-48572 — Elevation of Privilege:...

How Auto Dialers and Predictive Dialers Work: A Contextual Overview In today’s world of large-scale outreach—whether in marketing, surveys, political campaigns, or customer support— Auto Dialers and Predictive Dialers play a critical role. These systems allow organizations to automatically dial thousands of phone numbers , connecting calls efficiently to agents or automated systems while optimizing network resources and costs. This article explains the software architecture and workflow of these dialers, showing how they work behind the scenes. 1. Core Components of Auto Dialers At the heart of an auto dialer system are several interconnected components: 1.1 Call List Manager The Call List Manager maintains the database of phone numbers and associated metadata. This includes: Campaign schedules Priority flags Caller history Do-Not-Call restrictions The manager ensures that the dialer only targets valid and permissible numbers. 1.2 Dialing Engine The Dialing Engine is the central br...