Yohan Perera

A pair of black true wireless earbuds (Energizer UB2607) with orange accents, resting in an open charging case. The case has a small digital display showing a blue "L 54 R" indicating battery levels for the left and right earbuds. The case is placed on a wooden surface.

Energizer UB2607: The Good, the Bad, and the Ugly

At the beginning of this year, I shared my thoughts about JBL Tune 500BT Headphones which I use primarily for movies and video editing although it’s perfectly capable of handling phone calls. Due to its large size, however, I wanted something smaller to use with phone calls and Zoom meetings. I know, Apple AirPods is…

A line of four female mannequins, dressed in colorful saris, stand outside a clothing store. The mannequin in the foreground has light brown hair and a golden sari, while the one behind it has blue hair and a similar sari. The street and other buildings are visible in the blurred background.

Teachers’ Dress Code and the Rest of the Iceberg

The talk of the town in Sri Lanka these days seems to be about the dress code of teachers. There are two camps. One believes a teacher should have the freedom to choose between the saree and more comfortable attire and another that argues teachers shouldn’t be given that choice on grounds of modesty, tradition,…

A coiled yellow fiber optic cable with blue connectors on both ends is laid on a clean white surface.

SLT Fibre is not Safe. Here’s the Solution

Did you know your “SLT Fibre” subscription could risk your privacy and data? A few days ago, I watched in dismay as an SLT technical team left my employer’s premises after installing an optical fibre connection without changing the default security settings. Yes! SLT Technicians have a wild west reputation for not securing new optical…

A person with a gold Guy Fawkes mask covering their face, wearing a denim jacket with a white fleece collar and two silver chain necklaces. Their dark-skinned hand is raised, touching the side of the mask, and their reddish-brown curly hair is visible above the mask. The background is blurred, showing light-colored buildings.

Inspiration from a Social Engineering Attack

A few days ago, a colleague of mine announced via WhatsApp status that his Instagram account was hacked. Upon talking to him I realized the account wasn’t hacked but the attacker had gained access to the account by tricking him into changing his sign-in email address into an email address to which only the attacker…

A person with long, wavy brown hair, seen from behind and slightly to the side, stands by a large multi-pane window, reaching up to touch the frame. Dark curtains flank the window, and a hint of a brick wall is visible on the left.

Dealing with Your Inner (Emotional) Hurts

Emotional pain can be defined as pain or hurt that originates from non-physical sources. Sometimes such inner hurts are caused by the people in our lives. While people are the source of the greatest joy in life, they can also be the greatest cause of inner hurts we face in life. People can hurt us,…

A collection of Apple smart devices on a wooden desk, including an iPad Pro on a keyboard case with a white Apple Pencil beside it, a black Apple Watch, white AirPods in their case, and an iPhone, all against a background with a pink light.

5 Ways to (Physically) care for Your Smart Devices

The demand to be digitally connected is one of several “behavioral shifts” that have occurred among Sri Lankans as a result of COVID 19. This era has shown us smartphones and other smart devices are no longer a luxury but a need. Unfortunately, with the government classifying smartphones as non-essential items, the demand exceeded the…

A silhouetted hand holds up a glass jar against a dark, star-filled night sky. A bright, glowing light, resembling a galaxy or nebula, emanates from inside the jar and extends upwards into the sky.

My Second Chance at Life and how I made it Count

On May 1st, 2021, at 1:30 AM I felt a deep pain in my stomach. 24 hours later I saw a doctor because the pain wouldn’t go away. The Doctor after examining me detected a serious infection caused by a ruptured appendix. Loss of life was out of the question and I was taken to…

A reusable black grocery bag filled with various items including eggs, leafy greens, an orange in a mesh bag, and a jar of pickles, sitting in front of a doorway. The bag has a white sticker that reads "STAY HOME WE DELIVER".

Ground Rules for Shopping Groceries Online

In my previous post “Ground Rules for Grocery Shopping” I promised to share my ground rules for grocery shopping online. This writeup is a follow-up post to that promise, and today I want to share five essential ground rules you should stick to when shopping for groceries online. Unlike shopping for groceries in-person, shopping for…

A vibrant supermarket aisle with large displays of fresh produce, including peaches and apples, arranged in green crates and wooden bins. 'SAVE' signs are visible throughout the section.

Ground Rules for Grocery Shopping

Welcome to another episode of my series titled “Ground Rules”. It’s a series the content of which is based purely on my day-to-day experience in fool-proofing simple everyday tasks that affect our productivity. So far in this series, I have addressed Ground Rules for using PickMe and Uber, Ground Rules of Using Social Media for…

A high-angle, close-up shot captures a glowing red square module, likely a computer chip or core, with the word "HACKED" illuminated in bold white letters across its top surface. This module rests on a dark, intricate circuit board or futuristic cityscape, which is also bathed in a deep red glow from below, creating a sense of urgency and alarm. The detailed textures of the board's components are visible, though somewhat obscured by the strong red light.

The SLBFE Hack: More than just a Hack?

The month of April has been a busy time for both cybercriminals and infosec professionals alike. In the 25 days, that went by, PayHere was hacked while #OpSriLanka knocked several government websites offline. The latest incident involves LulzSecSL (A local offshoot of LulzSec?) breaking into an online database maintained by the SLBFE or the Sri…