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Opinion: Firms can’t or won’t address social networking security risks
It's a common refrain: Even companies that are aware of social networking security risks don't do anything about them. Opinion
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How to protect different enterprise channels of communication
Organizations have plenty of ways to communicate and transfer information. In this series of tips, Michael Cobb reviews how to secure four common outlets that can be easily taken advantage of by data thieves and malicious hackers. Learning Guide
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Information Security Learning Guides
A repository of our Learning Guides. SearchSecurity.com's Lear
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Securing VoIP Networks: Threats, Vulnerabilities and Countermeasures
In an excerpt from the book Securing VoIP Networks: Threats, Vulnerabilities and Countermeasures, authors Peter Thermos and Ari Takanen discuss the strengths and weaknesses of SRTP. Book Chapter
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Information Security Quizzes
Test your knowledge of everything security, from network security to regulatory compliance, with our collection of quizzes. Security Quiz
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RSA Conference 2006
Can't make it to RSA 2006? Check out our continuous coverage from the show floor. Conference Coverage
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VoIP Security Learning Guide
More organizations are choosing to implement VoIP telephony for its cost savings. However, securing the technology comes with its own price tag. This guide is a compilation of resources that review the importance of VoIP security, protocols and stand... Learning Guide
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VoIP protocols: A technical guide
This guide reviews the two main protocols that power VoIP -- Session Initiation Protocol (SIP) and H.323 -- and their known vulnerabilities, as well as how functional protocol testing ("fuzzing") can help defeat such problems. SearchSecurity Technical
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Tougher data protection rules will push up cost of email marketing
The EU will announce tougher rules for collecting information from consumers. Security pros can plan now for the new rules, expected in January 2012. News | 17 Nov 2011
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RBS breach of email security policy exposes staff pay rates
An email accidentally mailed to 800 RBS employees contained the pay rate details of nearly 3,000 RBS contract staff. News | 25 Aug 2011
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Botnet security alert: Malicious spam surge marks bot reconstruction
The percentage of spam messages containing a malicious payload has spiked sharply recently, likely due to a resurgence of spam bots. News | 19 Aug 2011
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Hackers target Adobe vulnerabilities, Java vulnerabilities
A new report notes a significant rise in the number of attacks against Adobe and Java vulnerabilities in the last six months. News | 20 Jul 2011
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Old business email policy promotes use of personal Gmail for business
New findings suggest outdated email restrictions are forcing younger users to adopt unsafe practices that could expose organizations to data loss. Article | 28 Feb 2011
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Phishing test highlights BlackBerry, iPhone insecurity
According to new research, mobile users are three times more likely to fall for phishing scams than traditional desktop users. Article | 10 Jan 2011
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Email attachment viruses: Old tricks meet new sophisticated malware
Recent research reveals that, while email attachment viruses may be using old techniques, the malware they contain is vastly more sophisticated. Article | 04 Nov 2010
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Spamhaus launches antispam whitelist to end spam false positives
With the coming of IPv6 and the prospect of billions more IPs that could drown any hopes of spam blacklisting, the Spamhaus Project has launched a whitelist campaign for the most trusted organisations. Article | 07 Oct 2010
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Bloxx provides means of filtering personal emails
A new email filtering appliance claims to be able to separate business email from personal email, quarantining personal messages until after working hours. Article | 25 Jun 2010
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Fake CV spam campaign marks return on malicious email attachments
Websense says the spam blast, featuring 230 million messages, lasted just hours but if opened it could have given attackers free reign over victim machines. Article | 14 May 2010
- See More: News on Email and Instant Messaging Security
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Stop phone tracking and GPS data leakage
GPS-enabled smartphones and other GPS devices may leak confidential or sensitive data, making it easy for attackers to target your employees. Tip
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Instant messaging: Corporate policies for IM security issues
While the business benefits of using IM often outweigh the risks, locking down instant messaging in the workplace is still essential to enterprise security. Tip
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Preventing phishing attacks: Enterprise best practices
Preventing phishing attacks entirely may not be possible, but companies can take steps to prevent them from being successful. In this tip, Michael Cobb explores some ways to make sure attempted phishing attacks against customers do not result in a br... Tip
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Understand role-based access control in Microsoft Exchange 2010
Role-based access control in Microsoft Exchange Server 2010 enforces the principle of least privilege, and allows companies to delegate email management efficiently. Tip
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How to prevent phishing attacks with social engineering tests
Is your enterprise capable of withstanding today's phishing attacks? Sherri Davidoff reviews how you can test your employees. Tip
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Email authentication methods for your email server: Three strategies to choose from
Not enough IT administrators know about the initiatives that are available to combat email abuse. Michael Cobb reviews three of your best options. Tip
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How to stop spam emails related to major news events
Michael Cobb explains how to stay one step ahead of spammers when major stories, like pandemics, sporting events and deaths, hit the news. Tip
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Software-as-a-service a good choice for fighting spam
SaaS allows midmarket companies with small IT staffs to offload the workload and expertise needed to fight the flood of spam inundating their email servers. Tip
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How to secure enterprise instant messaging
According to a 2008 IDC survey, instant messaging is set to overtake email as the preferred form of enterprise communication. IM, however, can be extremely difficult to control if you don't know these security tips. Tip
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Email authentication showdown: IP-based vs. signature-based
Email has long been a favorite method for malicious hackers looking to launch attacks, and one of the first steps in defending against vicious email threats lies in developing a strong email authentication strategy. In this tip, contributor Noah Schi... Tip
- See More: Tips on Email and Instant Messaging Security
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Learn how to utilize a free spam-filtering service for your SMB
Learn how a Web-based free spam-filtering service can secure email and prevent spam from attacking your enterprise. Answer
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How to ensure secure email exchange with external business partners
When sensitive documents are frequently travelling back and forth between a company and its business partners, email security becomes very important. In this expert response, Peter Wood gives advice on how to create a secure email exchange. Ask the Expert
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Are challenge-response technologies the best way to stop spam?
Challenge-response spam technology intercepts incoming emails and sends a challenge to the sender, asking him or her to confirm the message's validity. Though the antispam mechanism has gained popularity, there may be more secure alternatives, says e... Ask the Expert
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Why does Skype connect to so many servers?
Skype is a peer-to-peer service that uses a distributed network of "supernodes" to facilitate communication throughout the world. But is it safe to have so many "volunteer" connections? Mike Chapple explains. Ask the Expert
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Will only allowing whitelist email messages stop image spam?
Some organizations automatically delete email messages that contain images that are not from whitelist senders. That technique can combat image spam to a certain degree, says Michael Cobb. In this AtE, the application security expert explains what el... Ask the Expert
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How is internal mail channeled through an enterprise firewall?
WIth public mail servers located in a DMZ, what keeps a firewall from stopping an organization's internal mail? Network security expert Mike Chapple explains how an SMTP relay server coordinates email transmissions. Ask the Expert
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Will deploying VoIP on an 802.1x network create security problems?
Voice over IP telephony is beginning to replace traditional PBX in the enterprise. In this expert Q&A, Mike Chapple explains how the popular VoIP technology has its own unique security implications. Ask the Expert
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Is the Storm worm virus still a serious threat?
Today, attackers continue to have success with the Storm worm and its many variations, using the malware to strengthen their nasty botnets. In this SearchSecurity.com Q&A, expert Ed Skoudis explains why these rather run-of-the-mill attacks are still ... Ask the Expert
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What are the pros and cons of outsourcing email security services?
In this SearchSecurity.com Q&A, application security expert Michael Cobb explains whether it's right for your organization to hand off email security services to another provider. Ask the Expert
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Can DHCP be used to selectively block instant messaging clients?
Restricting instant messaging use has been a significant security challenge for organizations, but will DHCP help solidfy an IM policy? In this SearchSecurity.com Q&A, Michael Cobb explains which access control mechanisms are the most effective. Ask the Expert
- See More: Expert Advice on Email and Instant Messaging Security
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Stop phone tracking and GPS data leakage
GPS-enabled smartphones and other GPS devices may leak confidential or sensitive data, making it easy for attackers to target your employees. Tip
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Opinion: Firms can’t or won’t address social networking security risks
It's a common refrain: Even companies that are aware of social networking security risks don't do anything about them. Opinion
-
Tougher data protection rules will push up cost of email marketing
The EU will announce tougher rules for collecting information from consumers. Security pros can plan now for the new rules, expected in January 2012. News
-
RBS breach of email security policy exposes staff pay rates
An email accidentally mailed to 800 RBS employees contained the pay rate details of nearly 3,000 RBS contract staff. News
-
Botnet security alert: Malicious spam surge marks bot reconstruction
The percentage of spam messages containing a malicious payload has spiked sharply recently, likely due to a resurgence of spam bots. News
-
Learn how to utilize a free spam-filtering service for your SMB
Learn how a Web-based free spam-filtering service can secure email and prevent spam from attacking your enterprise. Answer
-
Instant messaging: Corporate policies for IM security issues
While the business benefits of using IM often outweigh the risks, locking down instant messaging in the workplace is still essential to enterprise security. Tip
-
Hackers target Adobe vulnerabilities, Java vulnerabilities
A new report notes a significant rise in the number of attacks against Adobe and Java vulnerabilities in the last six months. News
-
Old business email policy promotes use of personal Gmail for business
New findings suggest outdated email restrictions are forcing younger users to adopt unsafe practices that could expose organizations to data loss. Article
-
Phishing test highlights BlackBerry, iPhone insecurity
According to new research, mobile users are three times more likely to fall for phishing scams than traditional desktop users. Article
- See More: All on Email and Instant Messaging Security
About Email and Instant Messaging Security
Stay updated on the latest news, tips and information on email and instant messaging security. Learn how to avoid and defend against email and IM threats, such as spam, malware and Trojans.