{"id":990209,"date":"2025-10-05T14:46:47","date_gmt":"2025-10-05T11:46:47","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-5\/"},"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-5","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-5\/","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\"><div class=\"d-flex flex-column flex-sm-row justify-content-between align-items-center\">\n                <div class=\"d-flex flex-row flex-wrap\">\n                    <span class=\"mr-5 text-grey\">Release Date:<\/span>\n                    <time class=\"text-grey\">03-03-2022 13:15:00<\/time>\n                <\/div>\n                <aside class=\"mt-30-sm mt-40-lg align-self-center align-self-sm-end mt-20 mt-sm-0\">\n                    <div class=\"font-amender\">\n                        <a data-font-amender-class=\"font-amender-small\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-normal\" class=\"font-amender-selected\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-medium\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-big\">A<\/a>\n                    <\/div>\n                <\/aside>\n            <\/div><div class=\"d-flex flex-column flex-sm-row justify-content-between align-items-center mt-30\">\n                <h2 class=\"publication--title\">Security Guidance 22-002 - Hardening Signal<\/h2>\n\n                \n                <div class=\"align-self-center mt-20 mt-sm-0 ml-0 ml-sm-20 btn-dropdown\">\n                    <div class=\"btn btn-lg\">Download<\/div>\n                    <ul>\n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/pdf\/\" class=\"d-flex align-items-center a-norm\" download=\"TLP-WHITE-CERT-EU_Security_Guidance-22-002_v1_0.pdf\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Download PDF<\/div>\n                            <\/a>\n                            <div class=\"d-flex flex-wrap justify-content-between\">\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"d8226128da79420e02f4637c89597cf5\">MD5\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"c0ddce38482badb5ca3cfcd63d0e1ffecb5ec901\">SHA-1\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"7b992257242e2f734f81cc947557943d0e0c1cd9194d8f712e5d10f0ff49f3de\">SHA-256\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"e440984ccd68651fcb0a214823cadc1294b579b1fc1d0b82204202dd4937f6d799e413c63d1363de7392a4144c74f352d3ad4cbea29e358a19c12cd7dd588c67\">SHA-512\n                                <\/div>\n                            <\/div>\n                        <\/li>\n                        \n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/markdown\/\" target=\"_blank\" class=\"d-flex align-items-center a-norm\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Download MARKDOWN<\/div>\n                            <\/a>\n                        <\/li>\n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/json\/\" target=\"_blank\" class=\"d-flex align-items-center a-norm\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Download JSON<\/div>\n                            <\/a>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n                \n            <\/div><div class=\"d-flex flex-wrap justify-content-between\">\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"d8226128da79420e02f4637c89597cf5\">MD5\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"c0ddce38482badb5ca3cfcd63d0e1ffecb5ec901\">SHA-1\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"7b992257242e2f734f81cc947557943d0e0c1cd9194d8f712e5d10f0ff49f3de\">SHA-256\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"e440984ccd68651fcb0a214823cadc1294b579b1fc1d0b82204202dd4937f6d799e413c63d1363de7392a4144c74f352d3ad4cbea29e358a19c12cd7dd588c67\">SHA-512\n                                <\/div>\n                            <\/div><\/div>\n        <\/div>\n\n        <div id=\"content-ro\" class=\"lang-content\" style=\"display: none;\">\n            <div class=\"article-content\"><div class=\"d-flex flex-column flex-sm-row justify-content-between align-items-center\">\n                <div class=\"d-flex flex-row flex-wrap\">\n                    <span class=\"mr-5 text-grey\">Data lans&#259;rii:<\/span>\n                    <time class=\"text-grey\">03-03-2022 13:15:00<\/time>\n                <\/div>\n                <aside class=\"mt-30-sm mt-40-lg align-self-center align-self-sm-end mt-20 mt-sm-0\">\n                    <div class=\"font-amender\">\n                        <a data-font-amender-class=\"font-amender-small\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-normal\" class=\"font-amender-selected\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-medium\">A<\/a>\n                        <a data-font-amender-class=\"font-amender-big\">A<\/a>\n                    <\/div>\n                <\/aside>\n            <\/div><div class=\"d-flex flex-column flex-sm-row justify-content-between align-items-center mt-30\">\n                <h2 class=\"publication--title\">Ghid de securitate 22-002 - Semnal de &icirc;nt&#259;rire<\/h2>\n\n                \n                <div class=\"align-self-center mt-20 mt-sm-0 ml-0 ml-sm-20 btn-dropdown\">\n                    <div class=\"btn btn-lg\">Desc&#259;rca&#539;i<\/div>\n                    <ul>\n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/pdf\/\" class=\"d-flex align-items-center a-norm\" download=\"TLP-WHITE-CERT-EU_Security_Guidance-22-002_v1_0.pdf\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Desc&#259;rca&#539;i PDF<\/div>\n                            <\/a>\n                            <div class=\"d-flex flex-wrap justify-content-between\">\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"d8226128da79420e02f4637c89597cf5\">MD5\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"c0ddce38482badb5ca3cfcd63d0e1ffecb5ec901\">SHA-1<\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"7b992257242e2f734f81cc947557943d0e0c1cd9194d8f712e5d10f0ff49f3de\">SHA-256<\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"e440984ccd68651fcb0a214823cadc1294b579b1fc1d0b82204202dd4937f6d799e413c63d1363de7392a4144c74f352d3ad4cbea29e358a19c12cd7dd588c67\">SHA-512<\/div>\n                            <\/div>\n                        <\/li>\n                        \n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/markdown\/\" target=\"_blank\" class=\"d-flex align-items-center a-norm\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Desc&#259;rca&#539;i Markdown<\/div>\n                            <\/a>\n                        <\/li>\n                        \n                        <li class=\"publication--download\">\n                            <a href=\"\/ro\/publications\/security-guidance\/security-guidance-22-002---hardening-signal\/json\/\" target=\"_blank\" class=\"d-flex align-items-center a-norm\">\n                                <div class=\"share-icon-download-grey share-xs\"><\/div>\n                                <div class=\"ml-5\">Desc&#259;rca&#539;i JSON<\/div>\n                            <\/a>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n                \n            <\/div><div class=\"d-flex flex-wrap justify-content-between\">\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"d8226128da79420e02f4637c89597cf5\">MD5\n                                <\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"c0ddce38482badb5ca3cfcd63d0e1ffecb5ec901\">SHA-1<\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"7b992257242e2f734f81cc947557943d0e0c1cd9194d8f712e5d10f0ff49f3de\">SHA-256<\/div>\n                                <div class=\"share-icon-copy-grey mt-10 publication--download--checksum\" data-value=\"e440984ccd68651fcb0a214823cadc1294b579b1fc1d0b82204202dd4937f6d799e413c63d1363de7392a4144c74f352d3ad4cbea29e358a19c12cd7dd588c67\">SHA-512<\/div>\n                            <\/div>\n<\/div>\n        <\/div>\n\n      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Limb\u0103 \/ Language: \ud83c\uddec\ud83c\udde7 English (Original) \ud83c\uddf7\ud83c\uddf4 Rom\u00e2n\u0103 Traducere automat\u0103 \/ Automatic translation Release Date: 03-03-2022 13:15:00 A A A A Security Guidance 22-002 &#8211; Hardening Signal Download Download PDF MD5 SHA-1 SHA-256 SHA-512 Download MARKDOWN Download JSON MD5 SHA-1 SHA-256 SHA-512 Data lans&#259;rii: 03-03-2022 13:15:00 A A A A Ghid de securitate 22-002 [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"advisory_audience":[190,108,191],"advisory_topic":[168,193],"advisory_source":[181],"advisory_severity":[185],"advisory_region":[176],"news_source":[],"class_list":["post-990209","security_advisory","type-security_advisory","status-publish","hentry","advisory_audience-business","advisory_audience-individuals","advisory_audience-technical","advisory_topic-data-protection","advisory_topic-cloud","advisory_source-cert-eu","advisory_severity-low","advisory_region-international"],"_links":{"self":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory\/990209","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\/990209\/revisions"}],"predecessor-version":[{"id":991069,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/security_advisory\/990209\/revisions\/991069"}],"wp:attachment":[{"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/media?parent=990209"}],"wp:term":[{"taxonomy":"advisory_audience","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_audience?post=990209"},{"taxonomy":"advisory_topic","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_topic?post=990209"},{"taxonomy":"advisory_source","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_source?post=990209"},{"taxonomy":"advisory_severity","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_severity?post=990209"},{"taxonomy":"advisory_region","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/advisory_region?post=990209"},{"taxonomy":"news_source","embeddable":true,"href":"https:\/\/delve.ro\/ro\/wp-json\/wp\/v2\/news_source?post=990209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}