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Fileless Powershell malware uses DNS as covert communication channel

06

Mar

2017

Targeted attacks are moving away from traditional malware to stealthier techniques that involve abusing standard system tools and protocols, some of which are not always monitored. The latest example is an attack dubbed DNSMessenger, which was analyzed by researchers from Cisco Systems’ Talos team.

Category Network security Written by Cio 0 Comments

IoT Attack Against a University Network

20

Feb

2017

Verizon’s Data Brief Digest 2017 describes an attack against an unnamed university by attackers who hacked a variety of IoT devices and had them spam network targets and slow them down: Analysis of the university firewall identified over 5,000 devices making hundreds of Domain Name Service (DNS) look-ups every 15 minutes, slowing the institution’s entire […]

Category Hacker Network security Written by Schneier 0 Comments

St. Louis Public Library Recovers from Ransomware Attack

25

Jan

2017

Services are being restored to the St. Louis Public Library computer system after a ransomware attack last Thursday impacted access to machines and data at all 17 branches. Library management refused to pay the $35,000 demanded as ransom, and IT staff wiped affected servers and restored them from available backups. Read More

Category Malware Written by Threatpost 0 Comments

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Posts Tagged ‘cyber attack’

Fileless Powershell malware uses DNS as covert communication channel

IoT Attack Against a University Network

St. Louis Public Library Recovers from Ransomware Attack

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