{"id":1751,"date":"2004-06-03T00:00:00","date_gmt":"2004-06-03T00:00:00","guid":{"rendered":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/2004\/06\/03\/zombie-pcs-generate-80-per-cent-of-spam\/"},"modified":"2021-12-30T11:39:56","modified_gmt":"2021-12-30T11:39:56","slug":"zombie-pcs-generate-80-per-cent-of-spam","status":"publish","type":"post","link":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/2004\/06\/03\/zombie-pcs-generate-80-per-cent-of-spam\/","title":{"rendered":"Zombie PCs generate 80 per cent of spam"},"content":{"rendered":"<p>Four-fifths of the spam clogging ISPs&#8217; mail servers and affecting businesses emanates from so-called zombie home PCs infected with spam Trojans, according to security firm Sandvine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The company found that Trojans, typically installed surreptitiously by worms or spyware, exploit vulnerabilities to bypass normal email routing and drop spam messages directly into end user machines.<\/p>\n<p>Many of the most well-publicised worm attacks in recent months were launched expressly to install spam Trojans on unsuspecting end users&#8217; machines, waiting to be used at a later date as a spam delivery relay, Sandvine warned.<\/p>\n<p>The report also found that the behaviour of spam Trojans taxes ISPs&#8217; infrastructures and, in the case of smaller ISPs, creates perceptions that some networks are generating more than their fair share of spam.  &#8220;Subscribers&#8217; in-boxes are bombarded daily and, while spam filters can provide an effective treatment, the scale and scope of the problem means that additional remedies are needed,&#8221; said Marc Morin, co-founder and chief technology officer at Sandvine, in a statement.<\/p>\n<p>&#8220;As a complement to existing mail server and client-based tools, service providers need to arm themselves with network-based anti-spam defences.&#8221;<\/p>\n<p>More info: http:\/\/www.vnunet.com\/news\/1155583<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1751","post","type-post","status-publish","format-standard","hentry","category-statistics"],"_links":{"self":[{"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=1751"}],"version-history":[{"count":1,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1751\/revisions"}],"predecessor-version":[{"id":4238,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1751\/revisions\/4238"}],"wp:attachment":[{"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=1751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=1751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cybersecurityinstitute.com\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=1751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}