Simple solutions to complex problems

Simple solutions to complex problems

Each post is devoted to a simple solution to a complex problem.


A simple way to reduce risk of data breaches in organizations/businesses and individual accounts

9 Nov 2023 2 minute read 4 comments I_g_o_r

As reported by Verizon in their 2022 Data Breach Investigations Report, 81% of hacking-related data breaches can be attributed to weak or stolen credentials (see [1]). Even government organizations with strong requirements for cyber security have pro...

A simple way to make money with friendly super arbitrage

2 Nov 2023 3 minute read 4 comments I_g_o_r

Uncertainty and instabilities in the global economy have increased volatility of crypto prices. High volatility means high risks and this creates some problems for traditional ways to make money in crypto. Luckily, there are some non-traditional meth...

A simple way to save money on liquid laundry detergents

27 Oct 2023 1 minute read 16 comments I_g_o_r

In this post we consider a simple way to save money on liquid laundry detergents by means of using the following DIY liquid laundry detergent. 1. Boil 3 liters of water in a pot on your stove. 2. Add to the pot 60 grams of a grated neutral soap and s...

A simple way to play chess with computer in Linux terminal

25 Oct 2023 1 minute read 4 comments I_g_o_r

In this post we consider a simple way to play chess with computer in a Linux terminal.   1. Install stockfish sudo apt install stockfish 2. Run stockfish stockfish 3. Start a game with the initial position (you play with whites) and your first move (...

A simple way to understand risks and dangers of passkeys and other credential free login methods

12 Oct 2023 2 minute read 9 comments I_g_o_r

Google recently announced that passkeys are now by default for all users. See [1]. Passkeys belong to a category of credential free login methods. Such methods are very convenient (they do not require passwords from users) but they are very insecure...

A simple way to improve quality of our decisions

5 Oct 2023 3 minute read 5 comments I_g_o_r

Contrary to a popular myth that an initiative is the key to success, any initiative which is based on bad decisions is a recipe for failure. The key to success is to make the best possible decisions. Here are some quotes about decisions. “It is hard...

A simple way to find SprySOCKS malware on Linux computers

27 Sep 2023 1 minute read 4 comments I_g_o_r

“The threat actor Earth Lusca, linked to Chinese state-sponsored hacking groups, has been observed utilizing a new Linux backdoor dubbed SprySOCKS to target government organizations globally. As initially reported in January 2022 by Trend Micro, Eart...

A simple way to solve the password fatigue problem

14 Sep 2023 3 minute read 0 comments I_g_o_r

Password fatigue is the feeling experienced by many people who are required to remember an excessive number of passwords as part of their daily routine, such as to log in to a computer at work, undo a bicycle lock or conduct banking from an automated...

A simple way to differentiate good leaders from bad leaders

7 Sep 2023 2 minute read 1 comment I_g_o_r

In this post we try to figure out how to differentiate good leaders from bad leaders on examples of two Roman Emperors: Marcus Aurelius (121 AD– 180 AD) and Gaius Caesar Germanicus (known as Caligula, 37 AD – 41 AD) Marcus “Known for his wisdom, judi...

A simple way to understand crypto values and risks

24 Aug 2023 2 minute read 3 comments I_g_o_r

Let us create a new crypto -”IdeaCoin” and put it on a blockchain. What is a blockchain? Blockchain is a distributed database of records of transactions. Let us create a transaction where we transfer 1 IdeaCoin from an address X owned by a person A t...