WhatIs definition: Whaling

Email and Messaging Threats (spam, phishing, instant messaging)

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  • Out-of-office messages: A security hazard?

    Automatically generated out-of-office messages, like the kind created by Microsoft Outlook, have come under scrutiny as a possible security hazard for a number of reasons. Should organizations prohibit the use of out-of-office messages? Serdar Yegula... 

  • Hacker's Challenge 3: Big Bait, Big Phish

    In this excerpt of Chapter 3 from "Hacker's Challenge 3," author Bill Pennington provides a detailed example of a situation in which an organization's network is attacked and customer data is compromised. 

  • Okopipi leaps in where Blue Security left off

    The new user group is building an open source P2P application that sends spammers automated "unsubscribe" messages. Some call it feasible, but others believe counterattack strategies are doomed to fail. 

  • Blue Security's demise evokes mixed emotions

    In this week's Security Blog Log, there's no shortage of opinions on Blue Security's decision to fold after its antispam crusade put its customers at risk. 

  • Zero-day threat targets Microsoft Word

    Update: Symantec says a targeted exploit uses Microsoft Word to open a backdoor in users' systems. It recommends blocking .doc files at the network perimeter. Microsoft is working on a fix. 

  • Antispam crusade backfires; Blue Security shuts down

    The move comes on the heels of a massive counterattack spammers launched against the company, knocking millions of Web sites offline in the process. 

  • Spammers hijack authentication mechanisms to send malware

    Content filtering provider AppRiver reports an attack gaining momentum by using trusted systems to push malware before anyone notices. 

  • Security Bytes: Phishing scheme targets American Express customers

    Meanwhile: Personal data on 66,000 newspaper subscribers is leaked online, and a Trojan horse hijacks data and demands ransom. 

  • Zero-day flaws target 'safe' programs

    The SANS Institute says many critical flaws are appearing in programs long considered to be safe alternatives to Windows. Apple's reputation, in particular, "is in tatters." 

  • Research shows smarter phishing

    Recent threat reports all suggest a steady increase in the aggressiveness and sophistication of phishing attacks, and bank customers are still a top target.