Dark Reading is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them.Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Comments
How Many Layers Does Your Email Security Need?
Newest First  |  Oldest First  |  Threaded View
ChrisHarget
ChrisHarget,
User Rank: Author
6/6/2016 | 3:33:47 PM
Re: Could you send that email again? I never got it.
Lots of useful tactics in your comment.

Blocking all attachments goes too far, for most users we talk to.

Too much of their business (with insiders and outsiders) uses email to send docs. Add in the risk of email account takeover of a trusted business partner, and they really need a way to deeply scan office docs and PDFs for new, one-off, targeted malware. 
theb0x
theb0x,
User Rank: Ninja
6/6/2016 | 1:55:39 PM
Could you send that email again? I never got it.
Here's just a few things your email gateway should include...

 

RBLs

Whitelist

Greylist

Authentication

Challenge / Response

Reject All File Attachments

Strip HTML

Strip URLs

Spoof Filtering

Reverse DNS Mismatch Check

DNSBLs

GeoIP Filtering

Word based filtering

SPF Filtering

DMARC

Heuristic Filtering

Bayesian Filtering

MX Lookup Verification

Mime Header Check

IP Reputation Check

Open Relay Check

Hashing/Checksum

Signature Matching

 
Joe Stanganelli
Joe Stanganelli,
User Rank: Ninja
6/6/2016 | 12:03:45 PM
The spam industry
"According to the 2016 Trustwave Global Security Report (registration required), 54% of inbound email is classified as spam, down from 85% in 2010. Cyber criminals have realized that email gateways are quite capable of blocking generic spam and have moved to different techniques, including targeted attacks."

I wouldn't say that that's the only -- or even the most significant -- cause.  I think it has more to do with how the spamming industry has changed dramatically over the past six years, being whittled to a shadow of its former self by in-fighting and better enforcement.  Brian Krebs has written on this in depth in his book, Spam Nation.


Edge-DRsplash-10-edge-articles
I Smell a RAT! New Cybersecurity Threats for the Crypto Industry
David Trepp, Partner, IT Assurance with accounting and advisory firm BPM LLP,  7/9/2021
News
Attacks on Kaseya Servers Led to Ransomware in Less Than 2 Hours
Robert Lemos, Contributing Writer,  7/7/2021
Commentary
It's in the Game (but It Shouldn't Be)
Tal Memran, Cybersecurity Expert, CYE,  7/9/2021
Register for Dark Reading Newsletters
White Papers
Video
Cartoon
Current Issue
Incorporating a Prevention Mindset into Threat Detection and Response
Threat detection and response systems, by definition, are reactive because they have to wait for damage to be done before finding the attack. With a prevention-mindset, security teams can proactively anticipate the attacker's next move, rather than reacting to specific threats or trying to detect the latest techniques in real-time. The report covers areas enterprises should focus on: What positive response looks like. Improving security hygiene. Combining preventive actions with red team efforts.
Flash Poll
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2022-22309
PUBLISHED: 2022-05-24
The POWER systems FSP is vulnerable to unauthenticated logins through the serial port/TTY interface. This vulnerability can be more critical if the serial port is connected to a serial-over-lan device. IBM X-Force ID: 217095.
CVE-2022-22495
PUBLISHED: 2022-05-24
IBM i 7.3, 7.4, and 7.5 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 226941.
CVE-2020-4926
PUBLISHED: 2022-05-24
A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized access to user data or injection of arbitrary data in the communication protocol. IBM X-Force ID: 191600.
CVE-2013-10002
PUBLISHED: 2022-05-24
A vulnerability was found in Telecommunication Software SAMwin Contact Center Suite 5.1. It has been rated as critical. Affected by this issue is the function getCurrentDBVersion in the library SAMwinLIBVB.dll of the credential handler. Authentication is possible with hard-coded credentials. Upgradi...
CVE-2013-10003
PUBLISHED: 2022-05-24
A vulnerability classified as critical has been found in Telecommunication Software SAMwin Contact Center Suite 5.1. This affects the function getCurrentDBVersion in the library SAMwinLIBVB.dll of the database handler. The manipulation leads to sql injection. The exploit has been disclosed to the pu...