{"id":19789,"date":"2014-04-10T23:01:33","date_gmt":"2014-04-10T15:01:33","guid":{"rendered":"https:\/\/www.hongkiat.com\/blog\/?p=19789"},"modified":"2021-08-18T15:13:56","modified_gmt":"2021-08-18T07:13:56","slug":"everything-about-heartbleed","status":"publish","type":"post","link":"https:\/\/www.hongkiat.com\/blog\/everything-about-heartbleed\/","title":{"rendered":"Heartbleed: What Is It And What Should You do About It?"},"content":{"rendered":"<p>If you see a red, hollow, dripping heart symbol in your news feed, then yes, you\u2019ve probably heard of the <strong>latest security breach to hit the Internet: Heartbleed<\/strong>. The security bug that\u2019s compromised the <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/gmail-security-tips\/\" rel=\"noopener\">security<\/a> of accounts on sites like Yahoo, Facebook and even the Canadian Revenue agency has the whole Internet is up in arms. You\u2019ve probably been asked to change your <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/password-generators\/\" rel=\"noopener\">passwords<\/a> for your emails, online accounts etc, but hold up.<\/p>\n<p>In the midst of all this information, though, it\u2019s can be hard to make heads or tails of what\u2019s going on exactly. What is Heartbleed, exactly? <strong>Is it really as dangerous as everyone\u2019s saying?<\/strong> How can you find out if you\u2019re affected? Here\u2019s a quick look at some of the main issues surrounding Heartbleed and what you can do about it.<\/p>\n<p class=\"note\"><strong>Recommended Reading:<\/strong> <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/state-of-it-security-infographic\/\" rel=\"noopener\">The State Of IT Security [Infographic]<\/a><\/p>\n<h2>What Is Heartbleed?<\/h2>\n<p>Heartbleed is a <strong>bug that affects the OpenSSL service<\/strong>, which is a cryptographic library that\u2019s used to encrypt data on <strong>more than two-thirds of all the websites<\/strong> on the Internet. If you\u2019ve ever seen that locked padlock logo in your browser, or visited a site using the <strong>https: protocol<\/strong>, then you\u2019re familiar with OpenSSL.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/what-heartbleed-can-do.jpg\" alt=\"What Heartbleed Can Do\" height=\"334\" width=\"500\"><\/figure>\n<p>The Heartbleed bug <strong>exposes data held in a server\u2019s RAM<\/strong>, meaning just about anyone has access to, and can <strong>snoop on Internet traffic<\/strong>, even when it\u2019s supposedly encrypted.<\/p>\n<p>Interlopers, if any, could take advantage of Heartbleed to obtain the keys and data that they\u2019d need to decipher and read all the encrypted data that recently passed through a server.<\/p>\n<h2>Is It A Problem?<\/h2>\n<p>Given the fact that more than two-thirds of websites and services on the internet use OpenSSL, yes, <strong>Heartbleed is quite a major problem<\/strong>. However, it\u2019s important to bear in mind that Heartbleed is <strong>not malware or a virus<\/strong>, and thus, a site affected by Heartbleed may not necessarily have had any data stolen. And it\u2019s been around, undetected, since 2012.<\/p>\n<p>Pretty much <strong>all forms of personal, encrypted information<\/strong> are vulnerable to Heartbleed. As long as it passes through the OpenSSL protocol, someone could have accessed it illegitimately. Passwords, emails, user names, communications \u2014 you name it, it\u2019s probably accessible in some form or another due to Heartbleed.<\/p>\n<p>So, yes, it is a problem.<\/p>\n<h2>How To Tell If You\u2019re Affected<\/h2>\n<p>While it\u2019s true that not every service has been affected by Heartbleed, it\u2019s still <strong>better to be safe than sorry<\/strong>. While you can\u2019t know for sure whether your own data has been compromised, there are a couple of services out there that can help you <strong>check whether you\u2019re affected<\/strong> by Heartbleed.<\/p>\n<h3><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/filippo.io\/heartbleed\/\">Filippo Heartbleed Test<\/a><\/h3>\n<p>This Heartbleed test <strong>sends out malformed heartbeats<\/strong> to the website of your choice, extracting around 80 bytes of memory as proof. In other words, the test <strong>attacks the site much like a hacker would<\/strong>, to test whether the site is vulnerable to Heartbleed.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/heartbleed-filippo.jpg\" alt=\"Filippo Heartbleed Test\" height=\"372\" width=\"500\"><\/figure>\n<h3><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/ssl-tools.net\/heartbleed-test\">Heartbleed Checker<\/a><\/h3>\n<p>Here is a tool for you to check for affected sites. All you have to do is to type in the domain of the website you want to check and then click on <strong>See if the site is vulnerable to Heartbleed<\/strong>.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/last-pass.jpg\" alt=\"LastPass Heartbleed Checker\" height=\"372\" width=\"500\"><\/figure>\n<h2>What To Do If You\u2019re affected<\/h2>\n<p>If from the checks, you\u2019ve found that you have an account on a site that could be compromised by Heartbleed, you have to decide on a course of action. The common wisdom is to immediately change your password, but this advice ignores one crucial fact: there\u2019s <strong>no point changing passwords if the site hasn\u2019t been fixed<\/strong>.<\/p>\n<p>Heartbleed, as discussed earlier, isn\u2019t a simple database leak, so simply changing your passwords won\u2019t help <strong>if the problem hasn\u2019t been fixed by the site<\/strong>. Some websites and services, such as Google, will have made this clear, but there will definitely be websites that don\u2019t explicitly state whether they\u2019ve rectified the issue on their end.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/github-list.jpg\" alt=\"GitHub List\" height=\"250\" width=\"500\"><\/figure>\n<p>What you can do now is to <strong>use either of the two tools<\/strong> listed above, or check the site to at the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/mashable.com\/2014\/04\/09\/heartbleed-bug-websites-affected\/\">Mashable<\/a> lists to see if the service is still vulnerable.<\/p>\n<p>Note that the two tools and the GitHub list don\u2019t differentiate between services that were never vulnerable and services that have been fixed. It\u2019s probably safer that you <strong>change your passwords if the site reports as not vulnerable<\/strong>.<\/p>\n<p>Simply <strong>taking a break from affected services<\/strong> might help too, since Heartbleed only exposes data that\u2019s in a server\u2019s RAM.<\/p>\n<h2>Password Security<\/h2>\n<p>While Heartbleed goes <strong>beyond just an issue with password security<\/strong>, it\u2019s still a good time to remind ourselves of some of the best ways to ensure the security of online accounts. Yes, there\u2019s more to password security than just changing your password every few months.<\/p>\n<p class=\"note\"><strong>Read Also:<\/strong> <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/change-your-passwords\/\" rel=\"noopener\">Golden Rule To Internet Security: Change Your Passwords<\/a><\/p>\n<p>While <strong>two-factor authentication<\/strong> may not necessarily protect you from Heartbleed, it\u2019s still a great security measure that you should definitely take advantage of on any services that support it.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/two-factor-authentication.jpg\" alt=\"Two-Factor Authentification\" height=\"218\" width=\"500\"><\/figure>\n<p>If you\u2019re unfamiliar, two-factor authentification is a way of verifying the identity of a user <strong>based on two steps instead of one<\/strong>. In other words, instead of just asking for a username and password, two-factor authentification also requires you to <strong>key in a verification code<\/strong> or <strong>use a smartphone app<\/strong> to further verify your identity.<\/p>\n<p>Another security measure you should probably take is to use tools to <a href=\"https:\/\/www.hongkiat.com\/blog\/password-tools\/\">generate and manage passwords<\/a> for you. The major benefit of these tools is the fact that they will <a href=\"https:\/\/www.hongkiat.com\/blog\/password-generators\/\">create randomized passwords<\/a> and manage them for you; no more having to memorize a ton of different passwords or, even worse, use the same password on multiple websites.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/password-generator.jpg\" alt=\"Password Generator\" height=\"438\" width=\"500\"><\/figure>\n<p class=\"note\"><strong>Read Also:<\/strong> <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/password-tools\/\" rel=\"noopener\">20 Desktop Tools To Generate And Manage Passwords<\/a><\/p>\n<h2>Conclusion<\/h2>\n<p>Heartbleed is a serious security issue that <strong>affects almost everyone on the Internet<\/strong>, and there isn\u2019t much that any of us can do about it. Beyond checking the services we use and changing our passwords if they\u2019ve fixed the flaw, or taking a break and remaining vigilant if they haven\u2019t, it\u2019s really all in the hands of the server administrators. If anything, Heartbleed serves as a reminder that we can <strong>never take the security of our personal data for granted<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you see a red, hollow, dripping heart symbol in your news feed, then yes, you\u2019ve probably heard of the latest security breach to hit the Internet: Heartbleed. The security bug that\u2019s compromised the security of accounts on sites like Yahoo, Facebook and even the Canadian Revenue agency has the whole Internet is up in&hellip;<\/p>\n","protected":false},"author":131,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3398],"tags":[554,1962,4601],"topic":[4520,4521],"class_list":["entry-content","is-maxi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Heartbleed: What Is It And What Should You do About It? - Hongkiat<\/title>\n<meta name=\"description\" content=\"If you see a red, hollow, dripping heart symbol in your news feed, then yes, you&#039;ve probably heard of the latest security breach to hit the Internet:\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hongkiat.com\/blog\/everything-about-heartbleed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heartbleed: What Is It And What Should You do About It?\" \/>\n<meta property=\"og:description\" content=\"If you see a red, hollow, dripping heart symbol in your news feed, then yes, you&#039;ve probably heard of the latest security breach to hit the Internet:\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hongkiat.com\/blog\/everything-about-heartbleed\/\" \/>\n<meta property=\"og:site_name\" content=\"Hongkiat\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hongkiatcom\" \/>\n<meta property=\"article:published_time\" content=\"2014-04-10T15:01:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-18T07:13:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/assets.hongkiat.com\/uploads\/everything-about-heartbleed\/what-heartbleed-can-do.jpg\" \/>\n<meta name=\"author\" content=\"Azzief Khaliq\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hongkiat\" \/>\n<meta name=\"twitter:site\" content=\"@hongkiat\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Azzief Khaliq\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/\"},\"author\":{\"name\":\"Azzief Khaliq\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#\\\/schema\\\/person\\\/151d8332829ab05f15185d7907fbd752\"},\"headline\":\"Heartbleed: What Is It And What Should You do About It?\",\"datePublished\":\"2014-04-10T15:01:33+00:00\",\"dateModified\":\"2021-08-18T07:13:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/\"},\"wordCount\":1026,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/assets.hongkiat.com\\\/uploads\\\/everything-about-heartbleed\\\/what-heartbleed-can-do.jpg\",\"keywords\":[\"Passwords\",\"rr\",\"Security and Privacy\"],\"articleSection\":[\"Internet\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/\",\"url\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/everything-about-heartbleed\\\/\",\"name\":\"Heartbleed: What Is It And What Should You do About It? 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