{"id":990281,"date":"2025-10-05T15:58:36","date_gmt":"2025-10-05T12:58:36","guid":{"rendered":"https:\/\/gpss.ro\/security-guide\/ghid-de-securitate-22-002-semnal-de-intarire-joi-03-martie-2022-021500-cet-semnalul-este-un-serviciu-de-mesage-6\/"},"modified":"2025-10-12T12:59:14","modified_gmt":"2025-10-12T09:59:14","slug":"ghid-de-securitate-22-002-semnal-de-intarire-joi-03-martie-2022-021500-cet-semnalul-este-un-serviciu-de-mesage-6","status":"publish","type":"security_advisory","link":"https:\/\/delve.ro\/ro\/security-guide\/ghid-de-securitate-22-002-semnal-de-intarire-joi-03-martie-2022-021500-cet-semnalul-este-un-serviciu-de-mesage-6\/","title":{"rendered":"Security Guidance 22-002 &#8211; Hardening Signal\n                            \n                            Thursday, March 03, 2022 02:15:00 PM CET\n                            Signal is a well-known, secure, encrypted instant messaging service developed by the non-profit Signal Technology Foundation and Signal Messenger LLC. It uses standard cellular telephone numbers as identifiers and all communications between Signal users are secured with end-to end encryption.Staff of public and private organisations, including senior management, may be using Signal sometimes to quickly coordinate and exchange information on work-related matters. Signal groups may also have been set up for business continuity reasons in case corporate instant messaging tools become unavailable.The following document provides clear and pragmatic recommendations for hardening the configuration of Signal apps. If you have suggestions that could help improve it, contact us at services@cert.europa.eu. We always appreciate constructive feedback."},"content":{"rendered":"<div class=\"gpss-language-switcher\" style=\"margin-bottom: 20px; padding: 15px; background: #f0f9ff; border-left: 4px solid #3b82f6; border-radius: 8px;\">\n            <div style=\"display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;\">\n                <div style=\"display: flex; align-items: center; gap: 10px;\">\n                    <span style=\"font-weight: 600; color: #1e40af;\">\ud83c\udf0d Limb\u0103 \/ Language:<\/span>\n                    <button onclick=\"switchLanguage('en')\" id=\"btn-lang-en\" class=\"lang-btn lang-btn-active\" style=\"padding: 8px 16px; background: #3b82f6; color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; transition: all 0.3s;\">\n                        \ud83c\uddec\ud83c\udde7 English (Original)\n                    <\/button>\n                    <button onclick=\"switchLanguage('ro')\" id=\"btn-lang-ro\" class=\"lang-btn\" style=\"padding: 8px 16px; background: #e5e7eb; color: #374151; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; transition: all 0.3s;\">\n                        \ud83c\uddf7\ud83c\uddf4 Rom\u00e2n\u0103\n                    <\/button>\n                <\/div>\n                <small style=\"color: #6b7280; font-style: italic;\">Traducere automat\u0103 \/ Automatic translation<\/small>\n            <\/div>\n        <\/div>\n\n        <div id=\"content-en\" class=\"lang-content\" style=\"display: block;\">\n            <div class=\"article-content\">CERT-EU security guidance: Security Guidance 22-002 - Hardening Signal\n                            \n                            Thursday, March 03, 2022 02:15:00 PM CET\n                            Signal is a well-known, secure, encrypted instant messaging service developed by the non-profit Signal Technology Foundation and Signal Messenger LLC. It uses standard cellular telephone numbers as identifiers and all communications between Signal users are secured with end-to end encryption.Staff of public and private organisations, including senior management, may be using Signal sometimes to quickly coordinate and exchange information on work-related matters. Signal groups may also have been set up for business continuity reasons in case corporate instant messaging tools become unavailable.The following document provides clear and pragmatic recommendations for hardening the configuration of Signal apps. If you have suggestions that could help improve it, contact us at services@cert.europa.eu. We always appreciate constructive feedback.<\/div>\n        <\/div>\n\n        <div id=\"content-ro\" class=\"lang-content\" style=\"display: none;\">\n            <div class=\"article-content\"><?xml encoding=\"UTF-8\"><p>Ghid de securitate Cert-UE: Ghid de securitate 22-002-Semnal de &icirc;nt&#259;rire\n                            \n                            Joi, 03 martie 2022 02:15:00 CET\n                            Semnalul este un serviciu de mesagerie instantaneu binecunoscut, sigur, criptat, dezvoltat de Funda&#539;ia Tehnologiei Signal Non-Profit &#537;i Signal Messenger LLC. Utilizeaz&#259; numere de telefon celulare standard ca identificatori &#537;i toate comunic&#259;rile dintre utilizatorii de semnal sunt asigurate cu criptare end-to-end.Staff al organiza&#539;iilor publice &#537;i private, inclusiv conducerea superioar&#259;, poate folosi semnal uneori pentru a coordona rapid &#537;i a schimba informa&#539;iile despre problemele legate de munc&#259;. Este posibil ca grupurile de semnal s&#259; fi fost de asemenea configurate din motive de continuitate a afacerii &icirc;n cazul &icirc;n care instrumentele de mesagerie instantanee corporative devin indisponibile. Urm&#259;torul document ofer&#259; recomand&#259;ri clare &#537;i pragmatice pentru &icirc;nt&#259;rirea configura&#539;iei aplica&#539;iilor de semnal. Dac&#259; ave&#539;i sugestii care ar putea ajuta la &icirc;mbun&#259;t&#259;&#539;irea acesteia, contacta&#539;i -ne la servicii@cert.europa.eu. Apreciem &icirc;ntotdeauna feedback -ul constructiv.<\/p><\/div>\n        <\/div>\n\n        <script>\n        function switchLanguage(lang) {\n            \/\/ Ascunde ambele versiuni\n            document.getElementById(\"content-ro\").style.display = \"none\";\n            document.getElementById(\"content-en\").style.display = \"none\";\n\n            \/\/ Reseteaz\u0103 stilurile butoanelor\n            document.querySelectorAll(\".lang-btn\").forEach(function(btn) {\n                btn.style.background = \"#e5e7eb\";\n                btn.style.color = \"#374151\";\n                btn.classList.remove(\"lang-btn-active\");\n            });\n\n            \/\/ Afi\u0219eaz\u0103 versiunea selectat\u0103\n            if (lang === \"ro\") {\n                document.getElementById(\"content-ro\").style.display = \"block\";\n                document.getElementById(\"btn-lang-ro\").style.background = \"#3b82f6\";\n                document.getElementById(\"btn-lang-ro\").style.color = \"white\";\n                document.getElementById(\"btn-lang-ro\").classList.add(\"lang-btn-active\");\n            } else {\n                document.getElementById(\"content-en\").style.display = \"block\";\n                document.getElementById(\"btn-lang-en\").style.background = \"#3b82f6\";\n                document.getElementById(\"btn-lang-en\").style.color = \"white\";\n                document.getElementById(\"btn-lang-en\").classList.add(\"lang-btn-active\");\n            }\n\n            \/\/ Salveaz\u0103 preferin\u021ba \u00een localStorage\n            localStorage.setItem(\"gpss_preferred_language\", lang);\n        }\n\n        \/\/ Restaureaz\u0103 preferin\u021ba utilizatorului la \u00eenc\u0103rcare\n        document.addEventListener(\"DOMContentLoaded\", function() {\n            var preferredLang = localStorage.getItem(\"gpss_preferred_language\") || \"ro\";\n            switchLanguage(preferredLang);\n        });\n\n        \/\/ Hover effects pentru butoane\n        document.querySelectorAll(\".lang-btn\").forEach(function(btn) {\n            btn.addEventListener(\"mouseenter\", function() {\n                if (!this.classList.contains(\"lang-btn-active\")) {\n                    this.style.background = \"#bfdbfe\";\n                    this.style.color = \"#1e40af\";\n                }\n            });\n            btn.addEventListener(\"mouseleave\", function() {\n                if (!this.classList.contains(\"lang-btn-active\")) {\n                    this.style.background = \"#e5e7eb\";\n                    this.style.color = \"#374151\";\n                }\n            });\n        });\n        <\/script>\n\n        <style>\n        .lang-btn:hover {\n            transform: translateY(-2px);\n            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);\n        }\n        .lang-btn-active {\n            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);\n        }\n        <\/style>","protected":false},"excerpt":{"rendered":"<p>\ud83c\udf0d Limb\u0103 \/ Language: \ud83c\uddec\ud83c\udde7 English (Original) \ud83c\uddf7\ud83c\uddf4 Rom\u00e2n\u0103 Traducere automat\u0103 \/ Automatic translation CERT-EU security guidance: Security Guidance 22-002 &#8211; Hardening Signal Thursday, March 03, 2022 02:15:00 PM CET Signal is a well-known, secure, encrypted instant messaging service developed by the non-profit Signal Technology Foundation and Signal Messenger LLC. It uses standard cellular telephone [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"advisory_audience":[190,108,191],"advisory_topic":[],"advisory_source":[181],"advisory_severity":[185],"advisory_region":[176],"news_source":[],"class_list":["post-990281","security_advisory","type-security_advisory","status-publish","hentry","advisory_audience-business","advisory_audience-individuals","advisory_audience-technical","advisory_source-cert-eu","advisory_severity-low","advisory_region-international"],"_links":{"self":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory\/990281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory"}],"about":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/types\/security_advisory"}],"version-history":[{"count":1,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory\/990281\/revisions"}],"predecessor-version":[{"id":991039,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory\/990281\/revisions\/991039"}],"wp:attachment":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/media?parent=990281"}],"wp:term":[{"taxonomy":"advisory_audience","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_audience?post=990281"},{"taxonomy":"advisory_topic","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_topic?post=990281"},{"taxonomy":"advisory_source","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_source?post=990281"},{"taxonomy":"advisory_severity","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_severity?post=990281"},{"taxonomy":"advisory_region","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_region?post=990281"},{"taxonomy":"news_source","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/news_source?post=990281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}