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Thanks guys. &nbsp;That did the trick.
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One of my clients signed up with jhoos.com a few weeks ago. &nbsp;Now, his yahoo.com contacts are receiving invites from jhoos.com. &nbsp;He thinks he provided both his yahoo.com user and password to the jhoos.com site. &nbsp;(Ouch.)<br />
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- Do I look for malware on his laptop that's generating the emails?<br />
- Did jhoos.com obtain his contact list and are sending emails out via their server? &nbsp;If that's the case, is there any way to tell them to stop?<br />
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One of my clients signed up with jhoos.com a few weeks ago.  Now, his yahoo.com contacts are receiving invites from jhoos.com.  He thinks he provided both his yahoo.com user and password to the jhoos.com site.  (Ouch.)

- Do I look for malware on his laptop that's generating the emails?
- Did jhoos.com obtain his contact list and are sending emails out via their server?  If that's the case, is there any way to tell them to stop?



jhoos.comn virus?

Anti-virus software was originally developed to detect and remove computer viruses. However, with the proliferation of other kinds of malware, antivirus software started to provide protection from other computer threats. In particular, modern antivirus software can protect from malicious browser helper objects (BHOs), browser hijackers, ransomware, keyloggers, backdoors, rootkits, trojan horses, worms, malicious layered service providers (LSPs), dialers, fraud tools, adware and spyware. Some products also include protection from other computer threats, such as infected and malicious URLs, spam, scam and phishing attacks, online identity theft (privacy), online banking attacks, social engineering techniques, Advanced Persistent Threat (APT), botnets and DDoS attacks.

Anti-Virus Apps

A vulnerability is a weakness which allows an attacker to reduce a system's information assurance. Vulnerability is the intersection of three elements: a system susceptibility or flaw, attacker access to the flaw, and attacker capability to exploit the flaw. To exploit a vulnerability, an attacker must have at least one applicable tool or technique that can connect to a system weakness, known as the attack surface. Vulnerability management is the cyclical practice of identifying, classifying, remediating, and mitigating vulnerabilities. Other vulnerabilities include security risks, security defects and constructs in programming languages that are difficult to use properly.

Vulnerabilities

Spyware is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge; it has also come to include programs that engage in various kinds of electronic fraud. Anti-spyware is software that removes or blocks that software; some common vendors include Malwarebytes, McAfee, Spybot-Search and Destroy, Ad-Aware and BitDefender.