Security
Security | News, how-tos, features, reviews, and videos
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GPUs are vulnerable to side-channel attacks
Researchers at UCLA Riverside discover GPUs can be victims of the same kinds of attacks as Meltdown and Spectre, which have impacted Intel and AMD CPUs.
Keep Cyber Threats from Destroying Your Company
Every company is a target, no matter its size, function or annual revenue. Security risks come from very direction - malware, social networks and even employees. Every company has information worth protecting, and you owe it to your
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What is Transport Layer Security (TLS)?
Transport Layer Security (TLS), a cryptographic protocol that provides end-to-end communications security over networks, including the internet, has been improved in TLS 1.3.
What is WPA3? And some gotchas to watch out for in this Wi-Fi security upgrade
The Wi-Fi Alliance has introduced the first major security improvement to Wi-Fi in about 14 years: WPA3. The most significant additions to the new Wi-Fi security protocol are greater protection for simple passwords, individualized...
What is a firewall? How they work and all about next-generation firewalls
Firewalls are the primary perimeter defense for most organizations that have gone through many iterations: proxy, stateful, Web app, next-generation
Don’t Take the Bait. Phishing is big business. Don’t get hooked.
In the last year, there’s been a meteoric rise in phishing attacks as hackers continue to refine and enhance their tactics, taking advantage of malware-as-a-service offerings on the dark web.
Right-to-repair smartphone ruling loosens restrictions on industrial, farm IoT
Forget smartphones — the U.S. Copyright Office’s new DRM exemptions could be a big deal for farmers and other heavy equipment operators and vendors.
The best enterprise level firewalls: Rating 10 top products
How do you choose the best firewall? This 37-page downloadable report features reviews from hundreds of network security pros who have used the products in real-world situations.
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How to use the Shodan search engine to secure an enterprise's internet presence
Shodan, a search engine for all ports within the internet, can help enterprises identify and lock down security vulnerabilities. Senior writer J.M. Porup and content producer Juliet Beauchamp talk through the security scenarios.
ICANN’s internet DNS security upgrade apparently goes off without a glitch
The KSK rollover involved generating a new cryptographic public and private key pair and distributing the new public component to parties who operate validating resolvers, according to ICANN. Such resolvers run software that converts...
Exploits Explained: Comprehensive Exploit Prevention
Read this paper to learn about 23 exploit techniques that are used by cybercriminals and nation-states, and see how Sophos Intercept X stacks up.
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Talking DerbyCon, spy chip whispers and Google's data breach | Salted Hash Ep 47
Steve Ragan and J.M. Porup catch up post-DerbyCon conference to discuss psychological issues in the infosec community, supply chain security and whether it's time to make China the boogeyman again, as well as Google's recent data...
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Regulating the IoT: A conversation with Bruce Schneier | Salted Hash Ep 49
Security expert and author Bruce Schneier talks with senior writer J.M. Porup about that widespread use of connected chips -- allowing hackers to access cars, refrigerators, toys and soon, even more home consumer items.
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How secure are electronic voting machines? | Salted Hash Ep 48
With the midterm elections looming, electronic voting machines are getting increased scrutiny. J.M. Porup, senior writer at CSO, sits in the hosts chair this episode, breaking down the security risk with content producer Juliet...
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Mingis on Tech: Data breaches in a world of 'surveillance capitalism'
Facebook and Google recently acknowledged data breaches affecting millions of users. This won't be the last time that happens. CSO's J.M. Porup and Computerworld's Ken Mingis examine what's really going.
Malware B-Z: Inside the Threat from Blackhole to ZeroAccess
This paper provides insight into two of the most commonly used and technically capable pieces of crimeware, the Blackhole exploit kit and the ZeroAccess rootkit. We explain why these kits are so useful to the bad guys and show you how
Identity awareness: it’s more than just a packet
Routing must reflect business context.
Cisco sets $2.3B deal for unified access, multi-factor authentication security firm Duo
Cisco closes on its $2.35 billion deal with network identity, authentication security firm Duo. The deal will help customers securely connect any user to any application on any network.
Cisco unearths 13 'High Impact' IOS vulnerabilities you need to patch now
Cisco has exposed 13 vulnerabilities in its IOS and IOS XE switch and router operating software that the company said should be patched as soon as possible. The vulnerabilities were detailed in Cisco’s twice-yearly dump of IOS...
ICANN sets plan to reinforce internet DNS security
ICANN has voted to go ahead with the first-ever changing of the cryptographic key that helps protect the internet’s address book – the Domain Name System (DNS).
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