Dears, We, Infra Security Center(ISC), are in charge of the IT security incident handling SK Telecom(SKT). We have detected an intrusion attempt from your network against the system of our customer. The detailed logs are shown as below: Time: 2023-07-01 09:20:07 (GMT +9) Attacking IP: 65.109.92.230 Event Name: Host Sweep_Major Port This is illegal access and violation, so we want you to strengthen the weak spot and make efforts to prevent the recurrence of accidents. Please notify us about the result of our request. If this kind of attack is continued, we can block the access from corresponding ip address for the security of our services. If you have any questions, please contact us.(skt_nsc@sk.com<UrlBlockedError.aspx>). Should you need to contact us for this notice, please don't reply to the sender address. You can send the e-mail to skt_nsc@sk.com<UrlBlockedError.aspx> Best Regards, SK Telecom Infra Security Center E-mail : skt_nsc@sk.com<UrlBlockedError.aspx> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ks_c_5601-1987"> <style> <!-- p.x_MsoNormal, li.x_MsoNormal, div.x_MsoNormal {margin:0cm; margin-bottom:.0001pt; text-align:justify; text-justify:inter-ideograph; text-autospace:none; word-break:break-hangul; font-size:10.0pt; font-family:'?? ??'} span.x_MsoHyperlink {color:blue; text-decoration:underline} span.x_MsoHyperlinkFollowed {color:purple; text-decoration:underline} span.x_EmailStyle17 {font-family:'?? ??'; color:windowtext} span.x_EmailStyle18 {color:black} --> </style> </head> <body> <div lang="KO" link="blue" vlink="purple"> <div class="x_WordSection1"> <p class="x_MsoNormal"><span lang="EN-US" style="color:black"> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="color:black"> </span></p> <div></div> <p class="x_MsoNormal" align="left" style="text-align:left"><span lang="EN-US"> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">Dears,</span></p> <p class="x_MsoNormal" style="margin-left:20.0pt"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">We, Infra Security Center(ISC), are in charge of the IT security incident handling SK Telecom(SKT).</span></p> <p class="x_MsoNormal" style="margin-left:20.0pt"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">We have detected an intrusion attempt from your network against the system of our customer.</span></p> <p class="x_MsoNormal" style="margin-left:20.0pt"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">The detailed logs are shown as below:</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">Time: 2023-07-01 09:20:07 (GMT +9) </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">Attacking IP: 65.109.92.230</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">Event Name: Host Sweep_Major Port</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">This is illegal access and violation, so we want you to strengthen the weak spot and make efforts to prevent the recurrence of accidents. </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">Please notify us about the result of our request. </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">If this kind of attack is continued, we can block the access from corresponding ip address for the security of our services.</span></p> <p class="x_MsoNormal" style="margin-left:20.0pt"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">If you have any questions, please contact us.(<a href="UrlBlockedError.aspx" target="_blank">skt_nsc@sk.com</a>).</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">Should you need to contact us for this notice, please don't reply to the sender address.</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red">You can send the e-mail to </span><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:black"><a href="UrlBlockedError.aspx" target="_blank">skt_nsc@sk.com</a></span><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:red"></span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif"">Best Regards,</span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-family:"Tahoma","sans-serif""> </span></p> <table class="x_MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="margin-left:20.0pt; border-collapse:collapse"> <tbody> <tr> <td width="614" style="width:460.7pt; border-top:solid windowtext 2.25pt; border-left:none; border-bottom:solid windowtext 2.25pt; border-right:none; padding:0cm 0cm 0cm 0cm"> <p class="x_MsoNormal"><b><span lang="EN-US" style="font-size:5.0pt; font-family:"Tahoma","sans-serif"; color:black"> </span></b></p> <p class="x_MsoNormal" style="text-indent:8.0pt"><b><span lang="EN-US" style="font-family:"Tahoma","sans-serif"; color:black">SK Telecom Infra Security Center</span></b></p> <p class="x_MsoNormal" style="text-indent:8.0pt"><b><span lang="EN-US" style="font-size:9.0pt; font-family:"Tahoma","sans-serif"; color:black"> </span></b></p> <p class="x_MsoNormal" style="text-indent:8.0pt"><b><span lang="EN-US" style="font-size:9.0pt; font-family:"Tahoma","sans-serif"; color:black">E-mail</span></b><span lang="EN-US" style="font-size:9.0pt; font-family:"Tahoma","sans-serif"; color:black"> : <a href="UrlBlockedError.aspx" target="_blank">skt_nsc@sk.com</a></span></p> <p class="x_MsoNormal"><span lang="EN-US" style="font-size:5.0pt; font-family:"Tahoma","sans-serif"; color:black"> </span></p> </td> </tr> </tbody> </table> <p class="x_MsoNormal"><span lang="EN-US"> </span></p> <p class="x_MsoNormal"><span lang="EN-US"> </span></p> <p class="x_MsoNormal"><span lang="EN-US"> </span></p> </div> </div> </body> </html>
