92 Posts

Limor Kessem

Executive Security Advisor, IBM

Limor Kessem is one of the top cyber intelligence experts at IBM Security. She is a seasoned security advocate, public speaker, and a regular blogger on the cutting-edge IBM Security Intelligence blog. Limor comes to IBM from organizations like RSA Security, where she spent 5 years as part of the RSA research labs and drove the FraudAction blog on RSA's Speaking of Security. She also served as the Marketing Director of Big Data analytics startup ThetaRay, where she created the company's cybersecurity thought leadership. Limor is considered an authority on emerging cybercrime threats. She participated as a highly appreciated speaker on live InfraGard New York webcasts (an FBI collaboration), spoke in RSA events worldwide, conducts live webinars on all things fraud and cybercrime, and writes a large variety of threat intelligence  publications. With her unique position at the intersection of multiple research teams at IBM, and her fingers on the pulse of current day threats, Limor covers the full spectrum of trends affecting consumers, corporations, and the industry as a whole. On the social side, Limor tweets security items as @iCyberFighter and is an avid Brazilian Jiu Jitsu fighter.

Written By Limor Kessem

CamuBot: New Financial Malware Targets Brazilian Banking Customers

IBM X-Force researchers identified new financial malware, dubbed CamuBot, that attempts to camouflage itself as a security module required by the Brazilian banks it targets.

BackSwap Malware Now Targets Six Banks in Spain

IBM X-Force researchers discovered that BackSwap, a banking Trojan that had previously only targeted Polish banks, now has its sights set on six banks in Spain.

Mobile Banking Trojans as Keen on Cryptocurrency as PC Malware

Cybercriminals are emulating PC malware to develop mobile banking Trojans that leverage malicious miners to steal cryptocurrency and deliver it to attacker-controlled wallets.

XMRig: Father Zeus of Cryptocurrency Mining Malware?

XMRig is popular among cybercriminals because it is open source, meaning threat actors can make relatively simple changes to its code to convert the tool into a cryptojacking mechanism.

Necurs Spammers Go All In to Find a Valentine’s Day Victim

The cybergang behind the Necurs botnet launched a massive romance-themed spam campaign in the lead up to Valentine's Day, impersonating single Russian women looking for dates online.

IBM Study: Consumers Weigh in on Biometrics, Authentication and the Future of Identity

IBM Security's "Future of Identity Study" found that many consumers are moving beyond passwords and using features such as biometric authentication to secure their identities.

CPU Vulnerability Can Allow Attackers to Read Privileged Kernel Memory and Leak Data

A newly discovered hardware vulnerability underscores a microprocessor flaw that could allow an attacker to read data from privileged kernel memory.

Ursnif v3 Emerges, Targets Australian Bank Customers With Redirection Attacks

A new cybergang operating a recent variant of the Ursnif Trojan has planted its flag in Australia, targeting banking customers with redirection attacks.

Managing Security Risk in the Face of Intel ME Vulnerabilities

On November 22, Intel Corporation confirmed security vulnerabilities relating to Intel Management Engine (ME), Intel Server Platform Service (SPS),...

Canadian Business Banking Customers Hit With Targeted Phishing, Account Takeover Attacks

A targeted phishing campaign aimed at Canadian businesses prompts users with high levels of access to divulge login credentials and authentication codes.

Co-Written By Limor Kessem

IBM X-Force Delves Into ExoBot’s Leaked Source Code

IBM X-Force researchers unpacked ExoBot's inner workings to reveal insights into its dynamic mechanisms and the features that help criminals use it in cross-channel bank fraud schemes.

Anubis Strikes Again: Mobile Malware Continues to Plague Users in Official App Stores

IBM X-Force reported that mobile malware developers uploaded at least 10 malicious downloader apps to the Google Play Store as the first step in a process that fetches BankBot Anubis.

Goal! Spam Campaigns Capitalize on the World Cup Craze

IBM X-Force researchers observed several ongoing spam campaigns tied to the World Cup — many of which used the official branding of tournament sponsors to lure victims.

TrickBot’s Cryptocurrency Hunger: Tricking the Bitcoin Out of Wallets

TrickBot is getting in on the cryptocurrency gold rush, expanding its operations to target digital wallets and exchanges using serverside injections and other malicious tactics.

Overlay RAT Malware Uses AutoIt Scripting to Bypass Antivirus Detection

IBM X-Force discovered a new overlay RAT malware that exploits the AutoIt framework to evade antivirus detection while perpetrating bank fraud in Brazil.

Brazilian Malware Client Maximus: Maximizing the Mayhem

A new, upgraded version of remote access malware Client Maximus points to the growing sophistication of cybercriminals in Brazil.

QakBot Banking Trojan Causes Massive Active Directory Lockouts

IBM X-Force attributed a recent wave of malware-induced Active Directory (AD) lockouts across several IR engagements to the operators of the QakBot Trojan.

Relying on Data to Mitigate the Risk of WordPress Website Hijacking

To protect their WordPress sites from scammers, administrators must proactively patch and monitor their installations to weed out unwanted content.

Brazilian Malware Never Sleeps: Meet EmbusteBot

IBM Research — Haifa Labs detected yet another malware campaign, dubbed EmbusteBot, designed to target dozens of financial institutions in Brazil.

GootKit Developers Dress It Up With Web Traffic Proxy

X-Force researchers revealed the cybergang behind Gootkit had upgraded the banking Trojan with new network interception and certificate bypass methods.

The Full Shamoon: How the Devastating Malware Was Inserted Into Networks

X-Force IRIS researchers found that the Shamoon malware operators relied on weaponized documents that leveraged PowerShell to infiltrate targeted networks.

Anatomy of an hVNC Attack

Cybercriminals who rely on remote control tactics to commit financial fraud may use hidden virtual network computing (hVNC) modules to cover their tracks.

Client Maximus: New Remote Overlay Malware Highlights Rising Malcode Sophistication in Brazil

IBM X-Force researchers discovered a new malware called Client Maximus that contains advanced code written specifically to attack banks in Brazil.

Two Heads Are Better Than One: Going Under the Hood to Analyze GozNym

IBM X-Force researchers recognized that the GozNym banking malware leverages features from two types of malware to make it double the threat.

Gozi Banking Trojan Upgrades Build to Inject Into Windows 10 Edge Browser

The developers of the Gozi banking Trojan have built some improvements into the malware that now allow it to attack Windows 10 operating systems.

Dyre Summer Renovation: Randomized Config File Names Keep Antivirus Engines Guessing

Developers of the Dyre malware are keeping a close eye on security, making several changes to the file configuration to avoid detection.

Tsukuba: Banking Trojan Phishing in Japanese Waters

IBM Security Trusteer researchers recently discovered a new financial malware dubbed Tsukuba, which targets Japanese online banking users.