My Take

Byron Acohido · A primer on SASE - pushing security to the 'services edge'

RSAC insights: ‘SASE’ disrupts networking by meshing security, connectivity at the services edge

By Byron V. Acohido

It’s accurate to say that security has been bolted onto modern business networks.

It also has become very clear that we won’t achieve the full potential of digital transformation without security somehow getting intricately woven into every layer of corporate IT systems.

We’re still a long way from achieving that, but a promising roadmap has emerged. It’s a new model for architecting enterprise IT systems, dubbed Secure Access Service Edge (SASE), a term coined by top security analysts at tech advisory firm Gartner.

I had the chance to visit with Kelly Ahuja, CEO of Versa Networks, a supplier of SASE systems. For a full drill down on our discussion on why SASE could be game changer, please give a listen to the accompanying podcast. Here are the key takeaways:

Connectivity vs. security

Corporate networks exist to connect users to applications. Traditionally this was done by setting up a datacenter at company headquarters, and having employees enter the building and access applications using company-managed equipment. Thus, local area networks, or LANs, were born.

Then along came wide area networks, or WANs, as a means to securely connect several LANs set up in geographically dispersed branch offices. Over time WANs proved to be expensive and inflexible, so they began to be replaced with software-defined wide area networks, or SD-WANs, which offered heightened data-transfer efficiencies.

However, the first-generation of SD-WAN solutions were notable for one key thing: they were solely focused on improving connectivity and did little to account for security.

Byron Acohido · A primer on CIEM, 'cloud infrastructure entitlement management'

RSAC insights: How the ‘CIEM’ framework is helping companies manage permissions glut

By Byron V. Acohido

A permissions glut is giving rise to an explosion of new exposures in modern business networks.

Related: Securing digital identities

Companies are adopting multi-cloud and hybrid cloud infrastructures and relying on wide-open app development like never before. In doing so, permissions to make myriad software connections are proliferating. Taken together these man-to-machine and machine-to-machine connections result in cool new digital services. But they’ve also dramatically expanded the attack surface and left it wide open to threat actors.

Now comes an emerging security discipline to help companies get a grip on all of these permissions. It’s called “cloud infrastructure entitlement management,” or CIEM, not to be confused with security information and event management, or SIEM, which is something else altogether.

Last Watchdog visited with Raj Mallempati, chief operating officer of CloudKnox Security, aSunnyvale, Calif.-based cybersecurity firm, to get a better understanding of emergent CIEM systems. For a full drill down on our discussion please give a listen to the accompanying podcast. Here are key takeaways:

The permissions glut

Managing permissions in a way that doesn’t unduly tax agility has become a Gordian Knot security challenge. To start, the raw volume of permissions continues to rise exponentially. Consider that global spending on cloud infrastructure services jumped 32 percent to nearly $40 billion in the last quarter of 2020. This reflects the rise in remote work and schooling, as well as spikes in online shopping, gaming and media streaming over the past 12 to 18 months.

Byron Acohido · Network defenders leverage automation, human skill to battle hackers

RSAC insights: Sophos report dissects how improved tools, tactics stop ransomware attack

By Byron V. Acohido

A new report from Sophos dissects how hackers spent two weeks roaming far-and-wide through the modern network of a large enterprise getting into a prime position to carry out what could’ve been a devasting ransomware attack.

This detailed intelligence about a ProxyLogon-enabled attack highlights how criminal intruders are blending automation and human programming skills to great effect. However, in this case, at least, they were detected and purged before hitting paydirt, demonstrating something that doesn’t get discussed often enough.

Enterprises actually have access to plenty of robust security technology, as well as proven tactics and procedures, to detect and defuse even leading-edge, multi-layered attacks. It’s clear to me that cybersecurity technical innovation and supporting frameworks, which includes wider threat intelligence sharing, are taking hold and making a material difference, albeit incrementally.

I had a lively discussion with Dan Schiappa, Sophos’ chief product officer, about this. For a drill down, please give the accompanying podcast a listen. Here are the key takeaways:

Exploit surge

ProxyLogon refers to the critical vulnerability discovered in Microsoft Exchange mail servers early this year. Criminal hacking rings have been hammering away at this latest of a long line of zero-day flaws discovered in a globally distributed system. The pattern is all too familiar: they marshal their hacking infrastructure to take advantage of the window of time when there is a maximum number of vulnerable systems just begging to be hacked.

Byron Acohido · How automated reverse engineering can stop deep hacks

RSAC insights: SolarWinds hack illustrates why software builds need scrutiny — at deployment

By Byron V. Acohido

By patiently slipping past the best cybersecurity systems money can buy and evading detection for 16 months, the perpetrators of the SolarWinds hack reminded us just how much heavy lifting still needs to get done to make digital commerce as secure as it needs to be.

Obviously, one change for the better would be if software developers and security analysts paid much closer attention to the new and updated coding packages being assembled and deployed on the fly, in pursuit of digital agility.

I recently had the chance to discuss this with Tomislav Pericin, chief software architect and co-founder at software security firm ReversingLabs. We talked about how the capacity to, in essence, rapidly reverse engineer new software and software updates — without unduly hindering agility — could make a big difference.

For a full drill down, please give the accompanying podcast a listen. Here are the key takeaways:

Targeting the build

One thing I did not realize about the SolarWinds hack is precisely how the attackers fooled more than 18,000 organizations into accepting an infected update of the widely-used Orion network management tool. I had assumed that they either stole or spoofed a SolarWinds digital certificate, which they then used to authenticate the tainted update. The payload malware: Sunburst, a heavily-obfuscated backdoor.

Actually, these attackers went through a lot of effort to first gain deep access inside of SolarWinds’ network. Next, they located and took control of the build process used to compile the various pieces of coding that SolarWinds’ software developers assembled to make up its Orion software updates.

“People tend to focus on the Sunburst malware, the actual backdoor that ended up in the affected update package,” Pericin told me. “But there was another malicious component, Sunspot, which was a piece of malware specifically designed to run in the Solar Winds environment, on a build machine.

Byron Acohido · Sharing risk profile data improves cyber landscape

RSAC insights: CyberGRX finds a ton of value in wider sharing of third-party risk assessments

By Byron V. Acohido

The value of sharing threat intelligence is obvious. It’s much easier to blunt the attack of an enemy you can clearly see coming at you.

Related: Supply chains under siege.

But what about trusted allies who unwittingly put your company in harm’s way? Third-party exposures can lead to devastating breaches, just ask any Solar Winds first-party customer.

So could sharing intelligence about third-party suppliers help?

With RSA Conference 2021 technical sessions getting underway today, I sat down with Fred Kneip, CEO of CyberGRX, to hash over the notion that a lot of good could come from more systematic sharing of the risk profiles that large enterprises routinely compile with respect to their third-party contractors.

For a full drill down on our discussion, please give the accompanying podcast a listen. Here are the key takeaways:

The genesis of risk-profiles

It turns out there is a ton of third-party risk profiles sitting around not being put to any kind of high use. Back in the mid-1990s, big banks and insurance companies came up with something called “bespoke assessments” as the approach for assessing third party vendor risk.

This took the form of programmatic audits. In order to get the blessing of financiers and insurers, enterprises had to set up systems to get their third-party suppliers to fill out extensive risk-profile questionnaires; and this cumbersome process had to be repeated on a periodic base for as many contractors as they could get to.

CyberGRX launched in 2016 as a clearinghouse for companies to pool and share standardized assessment data and actually analyze the results for action. The idea was to benefit both the first-party contractors and the third-party suppliers, Kneip says. Thus, the Fortune 1,000 companies who collected and consumed the security profiles of major suppliers could see and analyze that data in aggregate and thus conduct a much higher level of risk analysis.

Byron Acohido · Everything you should know about 'attribute-based encryption.'

MY TAKE: Agile cryptography is coming, now that ‘attribute-based encryption’ is ready for prime time

By Byron V. Acohido

Encryption agility is going to be essential as we move forward with digital transformation.

Refer: The vital role of basic research

All of the technical innovation cybersecurity vendors are churning out to deal with ever-expanding cyber risks, at the end of the day, come down to protecting encrypted data. But cryptography historically has been anything but agile; major advances require years, if not decades, of inspired theoretical research.

Now comes something called attribute-based encryption, or ABE, a new approach to encrypting data that holds the potential to infuse agility into how encryption gets done online.

I had the chance to learn more about ABE from Brent Waters, a distinguished scientist in the Cryptography & Information Security (CIS) Lab at NTT Research. Waters has been a leading figure in deriving the mathematical concepts behind ABE. For a drill down on our discussion, please give the accompanying podcast a listen. Here are the key takeaways:

PKI basics

If you’re thinking encryption is the polar opposite of agile, you’re correct, historically speaking. Encryption is an arcane science that has long presented an irresistible challenge to the best and brightest researchers. Top mathematicians have been hammering away at improving encryption since before World War II. And since 2005 or so, one area of focus has been on sharpening the math formulas that make attribute-based encryption possible.

MY TAKE: How consumer-grade VPNs are enabling individuals to do DIY security

By Byron V. Acohido

Historically, consumers have had to rely on self-discipline to protect themselves online.

I’ve written this countless times: keep your antivirus updated, click judiciously, practice good password hygiene. Then about 10 years ago, consumer-grade virtual private networks, or VPNs, came along, providing a pretty nifty little tool that any individual could use to deflect invasive online tracking.

Consumer-grade VPNs have steadily gained a large following. And over the past two to three years, adoption has climbed steeply.

It only recently dawned on me that this rise in popularity of VPNs is probably directly related to the chaotic social unrest, not to mention the global health crisis, we’ve all endured over the past few years.

We’ve become accustomed to hunkering down. As part of this mindset, more consumers are subscribing to a personal VPN service which they use to shield themselves from disinformation sweeps and to protect themselves from Covid 19-related hacks and scams.

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The Last Watchdog

My Take

RSAC insights: ‘SASE’ disrupts networking by meshing security, connectivity at the services edge

By Byron V. Acohido

RSAC insights: How the ‘CIEM’ framework is helping companies manage permissions glut

By Byron V. Acohido

RSAC insights: Sophos report dissects how improved tools, tactics stop ransomware attack

By Byron V. Acohido

RSAC insights: SolarWinds hack illustrates why software builds need scrutiny — at deployment

By Byron V. Acohido

RSAC insights: CyberGRX finds a ton of value in wider sharing of third-party risk assessments

By Byron V. Acohido

MY TAKE: Agile cryptography is coming, now that ‘attribute-based encryption’ is ready for prime time

By Byron V. Acohido

MY TAKE: How consumer-grade VPNs are enabling individuals to do DIY security

By Byron V. Acohido