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.

Endpoint

5/11/2018
11:45 AM
Connect Directly
Twitter
RSS
E-Mail
50%
50%

8 Ways Hackers Can Game Air Gap Protections

Isolating critical systems from connectivity isn't a guarantee they can't be hacked.
Previous
1 of 9
Next


Image Source: Adobe Stock (Phongphan Supphakank)

Image Source: Adobe Stock (Phongphan Supphakank)

The almighty air gap has long been critical systems' go-to last resort - the idea being if you pull the plug of connectivity on these systems and don't allow them any kind of access to the outside world, you'll eliminate the bad guys' ability to remotely carry out their attacks.

While it's true that air gaps can drastically shrink attack surface, they're far from infallible. Security researchers - particularly a few from Ben-Gurion University in Israel - have worked over the last five to 10 years to show that even the most meticulously isolated air gap can be overcome with some clever uses of side channels. Here are some of the most effective end-arounds of air gap defense.

 

Ericka Chickowski specializes in coverage of information technology and business innovation. She has focused on information security for the better part of a decade and regularly writes about the security industry as a contributor to Dark Reading.  View Full Bio

Previous
1 of 9
Next
Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
SOC 2s & Third-Party Assessments: How to Prevent Them from Being Used in a Data Breach Lawsuit
Beth Burgin Waller, Chair, Cybersecurity & Data Privacy Practice , Woods Rogers PLC,  12/5/2019
Cybersecurity Team Holiday Guide: 2019 Gag Gift Edition
Ericka Chickowski, Contributing Writer,  12/2/2019
Register for Dark Reading Newsletters
White Papers
Video
Cartoon Contest
Current Issue
Navigating the Deluge of Security Data
In this Tech Digest, Dark Reading shares the experiences of some top security practitioners as they navigate volumes of security data. We examine some examples of how enterprises can cull this data to find the clues they need.
Flash Poll
Rethinking Enterprise Data Defense
Rethinking Enterprise Data Defense
Frustrated with recurring intrusions and breaches, cybersecurity professionals are questioning some of the industrys conventional wisdom. Heres a look at what theyre thinking about.
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2019-19645
PUBLISHED: 2019-12-09
alter.c in SQLite through 3.30.1 allows attackers to trigger infinite recursion via certain types of self-referential views in conjunction with ALTER TABLE statements.
CVE-2019-19678
PUBLISHED: 2019-12-09
In "Xray Test Management for Jira" prior to version 3.5.5, remote authenticated attackers can cause XSS in the generic field entry point via the Generic Test Definition field of a new Generic Test issue.
CVE-2019-19679
PUBLISHED: 2019-12-09
In "Xray Test Management for Jira" prior to version 3.5.5, remote authenticated attackers can cause XSS in the Pre-Condition Summary entry point via the summary field of a Create Pre-Condition action for a new Test Issue.
CVE-2019-19647
PUBLISHED: 2019-12-09
radare2 through 4.0.0 lacks validation of the content variable in the function r_asm_pseudo_incbin at libr/asm/asm.c, ultimately leading to an arbitrary write. This allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted input.
CVE-2019-19648
PUBLISHED: 2019-12-09
In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.