{"id":1963,"date":"2023-09-13T15:11:02","date_gmt":"2023-09-13T13:11:02","guid":{"rendered":"https:\/\/www.digitalni-sebeobrana.cz\/?p=1963"},"modified":"2026-06-15T10:54:46","modified_gmt":"2026-06-15T08:54:46","slug":"osobni-threat-model","status":"publish","type":"post","link":"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/","title":{"rendered":"Personal Threat Model"},"content":{"rendered":"<p>&#8220;`html<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\"><\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a4df479b42c2\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a4df479b42c2\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#1_Introduction\" >1. Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#2_Identification_of_Actors_and_Assets\" >2. Identification of Actors and Assets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#3_Vulnerabilities\" >3. Vulnerabilities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#4_Attack_Vectors\" >4. Attack Vectors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#5_Measures\" >5. Measures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/osobni-threat-model\/#6_Conclusion\" >6. Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"1-vod\"><span class=\"ez-toc-section\" id=\"1_Introduction\"><\/span>1. Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This document serves as a personal threat model focused on cybersecurity in the area of cryptocurrencies. Its aim is to identify potential threats and vulnerabilities and propose measures to minimize them.<\/p>\n<hr \/>\n<h2 id=\"2-identifikace-akt-r-a-c-l-\"><span class=\"ez-toc-section\" id=\"2_Identification_of_Actors_and_Assets\"><\/span>2. Identification of Actors and Assets<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"akt-i\">Actors<\/h3>\n<ul>\n<li>Hackers<\/li>\n<li>Regulatory Bodies<\/li>\n<li>Competitors<\/li>\n<li>Close Associates<\/li>\n<\/ul>\n<h3 id=\"c-le\">Assets<\/h3>\n<ul>\n<li>Crypto Wallet<\/li>\n<li>Transaction History<\/li>\n<li>Investment Strategy<\/li>\n<\/ul>\n<hr \/>\n<h3 id=\"akt-i-a-c-le-detailn-pohled\">Actors and Assets: Detailed View<\/h3>\n<p>In this part of the threat model, it is crucial to identify in detail the actors who could pose a threat and the assets they might want to compromise. Each actor and asset should be elaborated on, including motivations, capabilities, and methods of attack.<\/p>\n<h4 id=\"hacke-i\">Hackers<\/h4>\n<ul>\n<li><strong>Motivation<\/strong>: Financial gain, reputational reasons, ideological beliefs<\/li>\n<li><strong>Capabilities<\/strong>: Malware, ransomware, phishing attacks<\/li>\n<li><strong>Attack Methods<\/strong>: Wallet infiltration, keylogging, SIM swapping<\/li>\n<\/ul>\n<h4 id=\"regul-torn-org-ny\">Regulatory Bodies<\/h4>\n<ul>\n<li><strong>Motivation<\/strong>: Oversight and regulation, ensuring compliance with laws<\/li>\n<li><strong>Capabilities<\/strong>: Legal measures, access to public and private databases<\/li>\n<li><strong>Attack Methods<\/strong>: Court orders, asset seizure, audits<\/li>\n<\/ul>\n<h4 id=\"konkurence\">Competitors<\/h4>\n<ul>\n<li><strong>Motivation<\/strong>: Gaining competitive advantage, financial gain<\/li>\n<li><strong>Capabilities<\/strong>: Industrial espionage, social engineering<\/li>\n<li><strong>Attack Methods<\/strong>: Infiltration, misinformation, market manipulation<\/li>\n<\/ul>\n<h4 id=\"bl-zc-\">Close Associates<\/h4>\n<ul>\n<li><strong>Motivation<\/strong>: Personal interests, possible financial gain<\/li>\n<li><strong>Capabilities<\/strong>: Access to personal devices, knowledge of personal information<\/li>\n<li><strong>Attack Methods<\/strong>: Using known passwords, accessing unsecured devices<\/li>\n<\/ul>\n<hr \/>\n<h3 id=\"c-le\">Assets<\/h3>\n<h4 id=\"krypto-pen-enka\">Crypto Wallet<\/h4>\n<ul>\n<li><strong>Importance<\/strong>: High<\/li>\n<li><strong>Attack Types<\/strong>: Phishing, malware, physical access<\/li>\n<li><strong>Mitigations<\/strong>: Hardware wallet, 2FA, strong passwords<\/li>\n<\/ul>\n<h4 id=\"transak-n-historie\">Transaction History<\/h4>\n<ul>\n<li><strong>Importance<\/strong>: Medium<\/li>\n<li><strong>Attack Types<\/strong>: IP tracking, exchange compromise<\/li>\n<li><strong>Mitigations<\/strong>: Use of VPN, decentralized exchanges<\/li>\n<\/ul>\n<h4 id=\"investi-n-strategie\">Investment Strategy<\/h4>\n<ul>\n<li><strong>Importance<\/strong>: Medium to High<\/li>\n<li><strong>Attack Types<\/strong>: Social engineering, industrial espionage<\/li>\n<li><strong>Mitigations<\/strong>: Limiting information sharing, using encrypted communication<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"3-zranitelnosti\"><span class=\"ez-toc-section\" id=\"3_Vulnerabilities\"><\/span>3. Vulnerabilities<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"pou-v-n-online-pen-enek-s-n-zk-m-zabezpe-en-m\">Using Online Wallets with Low Security<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Online wallets are often targeted by attacks, especially if not properly secured.<\/li>\n<li><strong>Actors<\/strong>: Hackers, competitors<\/li>\n<li><strong>Attack Types<\/strong>: Phishing, brute-force attacks<\/li>\n<li><strong>Mitigations<\/strong>: Switching to a hardware wallet, using 2FA<\/li>\n<\/ul>\n<h3 id=\"nezabezpe-en-wi-fi-s-\">Unsecured Wi-Fi Network<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Using unsecured Wi-Fi networks can allow attackers easy access to your data.<\/li>\n<li><strong>Actors<\/strong>: Hackers, close associates<\/li>\n<li><strong>Attack Types<\/strong>: Man-in-the-middle attacks, sniffing<\/li>\n<li><strong>Mitigations<\/strong>: Use of VPN, connecting only to trusted networks<\/li>\n<\/ul>\n<h3 id=\"pou-v-n-neaktualizovan-ho-software\">Using Outdated Software<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Old or outdated software may contain vulnerabilities that can be exploited for infiltration.<\/li>\n<li><strong>Actors<\/strong>: Hackers, regulatory bodies<\/li>\n<li><strong>Attack Types<\/strong>: Exploitation of known vulnerabilities<\/li>\n<li><strong>Mitigations<\/strong>: Regular software updates, application of security patches<\/li>\n<\/ul>\n<h3 id=\"nedostate-n-dvoufaktorov-autentizace-2fa-\">Insufficient Two-Factor Authentication (2FA)<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Absence or poor implementation of 2FA can lead to easy access to sensitive data.<\/li>\n<li><strong>Actors<\/strong>: Hackers, close associates<\/li>\n<li><strong>Attack Types<\/strong>: Brute-force attacks, SIM swapping<\/li>\n<li><strong>Mitigations<\/strong>: Activation and proper configuration of 2FA<\/li>\n<\/ul>\n<h3 id=\"nedostate-n-opsec-operational-security-\">Insufficient OPSEC (Operational Security)<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Insufficient OPSEC may include poor handling of passwords, keys, and other sensitive data.<\/li>\n<li><strong>Actors<\/strong>: All<\/li>\n<li><strong>Attack Types<\/strong>: Social engineering, phishing<\/li>\n<li><strong>Mitigations<\/strong>: Cybersecurity education, use of a password manager<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"4-vektory-tok-\"><span class=\"ez-toc-section\" id=\"4_Attack_Vectors\"><\/span>4. Attack Vectors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"phishingov-toky\">Phishing Attacks<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Attacks that aim to obtain sensitive information through fraudulent emails or websites.<\/li>\n<li><strong>Actors<\/strong>: Hackers, competitors<\/li>\n<li><strong>Vulnerabilities<\/strong>: Insufficient OPSEC, using online wallets with low security<\/li>\n<li><strong>Mitigations<\/strong>: Cybersecurity education, use of 2FA<\/li>\n<\/ul>\n<h3 id=\"man-in-the-middle-toky\">Man-in-the-Middle Attacks<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Attacks where the attacker eavesdrops on or manipulates communication between two parties.<\/li>\n<li><strong>Actors<\/strong>: Hackers, regulatory bodies<\/li>\n<li><strong>Vulnerabilities<\/strong>: Unsecured Wi-Fi network, outdated software<\/li>\n<li><strong>Mitigations<\/strong>: Use of VPN, encryption of communication<\/li>\n<\/ul>\n<h3 id=\"social-engineering\">Social Engineering<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Manipulating people to obtain sensitive information or system access.<\/li>\n<li><strong>Actors<\/strong>: Competitors, close associates<\/li>\n<li><strong>Vulnerabilities<\/strong>: Insufficient OPSEC, insufficient 2FA<\/li>\n<li><strong>Mitigations<\/strong>: Cybersecurity education, limiting information sharing<\/li>\n<\/ul>\n<h3 id=\"sim-swapping\">SIM Swapping<\/h3>\n<ul>\n<li><strong>Description<\/strong>: An attack in which the attacker gains control of the target\u2019s SIM card.<\/li>\n<li><strong>Actors<\/strong>: Hackers<\/li>\n<li><strong>Vulnerabilities<\/strong>: Insufficient 2FA, insufficient OPSEC<\/li>\n<li><strong>Mitigations<\/strong>: Use of hardware-based 2FA, high level of OPSEC<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"5-opat-en-\"><span class=\"ez-toc-section\" id=\"5_Measures\"><\/span>5. Measures<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"pou-it-hardwarov-pen-enky\">Using a Hardware Wallet<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Hardware wallets provide a high level of security for storing cryptocurrencies.<\/li>\n<li><strong>Actors<\/strong>: Hackers<\/li>\n<li><strong>Suitable for<\/strong>: Protecting the crypto wallet<\/li>\n<li><strong>How to Implement<\/strong>: Purchase a reputable hardware wallet such as Ledger or Trezor and transfer your cryptocurrencies to it.<\/li>\n<\/ul>\n<h3 id=\"pou-it-vpn\">Using a VPN<\/h3>\n<ul>\n<li><strong>Description<\/strong>: A VPN provides anonymity and security when browsing the internet.<\/li>\n<li><strong>Actors<\/strong>: Regulatory bodies, hackers<\/li>\n<li><strong>Suitable for<\/strong>: Protecting transaction history, securing Wi-Fi<\/li>\n<li><strong>How to Implement<\/strong>: Choose a trusted VPN provider and enable it when connecting to the internet.<\/li>\n<\/ul>\n<h3 id=\"aktivace-a-spr-vn-konfigurace-2fa\">Activation and Proper Configuration of 2FA<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Two-factor authentication adds an additional layer of security.<\/li>\n<li><strong>Actors<\/strong>: Hackers, close associates<\/li>\n<li><strong>Suitable for<\/strong>: Protecting the crypto wallet, securing online accounts<\/li>\n<li><strong>How to Implement<\/strong>: Enable 2FA on all important accounts and use an app like Google Authenticator or a hardware key like YubiKey.<\/li>\n<\/ul>\n<h3 id=\"vzd-l-n-v-oblasti-kybernetick-bezpe-nosti\">Cybersecurity Education<\/h3>\n<ul>\n<li><strong>Description<\/strong>: Education and awareness are key to recognizing and preventing attacks.<\/li>\n<li><strong>Actors<\/strong>: All<\/li>\n<li><strong>Suitable for<\/strong>: Protection against all types of attacks<\/li>\n<li><strong>How to Implement<\/strong>: Take cybersecurity courses, read current news and articles, and participate in webinars and conferences.<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"6-z-v-r\"><span class=\"ez-toc-section\" id=\"6_Conclusion\"><\/span>6. Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This personal threat model is the first step toward ensuring my cybersecurity in the field of cryptocurrencies. I plan to regularly update this document and implement new security measures according to the evolving threat landscape.<br \/>\n&#8220;`<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This personal threat model is the first step toward ensuring my cybersecurity in the field of cryptocurrencies. <\/p>\n","protected":false},"author":1,"featured_media":2142,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[1,54,18],"tags":[108,106,105,104,107,109,103],"class_list":["post-1963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-prvni-pomoc","category-nastroje","tag-defense","tag-obrana","tag-ochrana","tag-prevence","tag-prevention","tag-protection","tag-threat-model"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"en","enabled_languages":["cs","en"],"languages":{"cs":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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