diff --git a/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js b/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
index c74152b81..54766a48d 100644
--- a/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
+++ b/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
@@ -1,7 +1,7 @@
 import '../../styles/report/ReportPage.scss';
 
 import React from 'react';
-import {Route} from "react-router-dom";
+import {Route} from 'react-router-dom';
 import {Col, Nav, NavItem} from 'react-bootstrap';
 import {ReactiveGraph} from 'components/reactive-graph/ReactiveGraph';
 import {edgeGroupToColor, options} from 'components/map/MapOptions';
@@ -10,8 +10,8 @@ import MustRunMonkeyWarning from '../report-components/common/MustRunMonkeyWarni
 import AttackReport from '../report-components/AttackReport'
 import SecurityReport from '../report-components/SecurityReport'
 import ZeroTrustReport from '../report-components/ZeroTrustReport'
-import {extractExecutionStatusFromServerResponse} from "../report-components/common/ExecutionStatus";
-import MonkeysStillAliveWarning from "../report-components/common/MonkeysStillAliveWarning";
+import {extractExecutionStatusFromServerResponse} from '../report-components/common/ExecutionStatus';
+import MonkeysStillAliveWarning from '../report-components/common/MonkeysStillAliveWarning';
 
 
 class ReportPageComponent extends AuthComponent {
@@ -110,10 +110,10 @@ class ReportPageComponent extends AuthComponent {
   renderNav = () => {
     return (
       <Route render={({history}) => (
-      <Nav bsStyle="tabs" justified
+      <Nav bsStyle='tabs' justified
                  activeKey={this.state.selectedSection}
                  onSelect={(key) => {this.setSelectedSection(key); history.push(key)}}
-                 className={"report-nav"}>
+                 className={'report-nav'}>
       {this.state.sections.map(section => this.renderNavButton(section))}
       </Nav>)}/>)
   };
@@ -147,7 +147,7 @@ class ReportPageComponent extends AuthComponent {
     }
     return (
       <Col xs={12} lg={10}>
-        <h1 className="page-title no-print">4. Security Reports</h1>
+        <h1 className='page-title no-print'>4. Security Reports</h1>
         {this.renderNav()}
         <MonkeysStillAliveWarning allMonkeysAreDead={this.state.allMonkeysAreDead}/>
         <div style={{'fontSize': '1.2em'}}>
diff --git a/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js b/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
index c4311c74a..451adc065 100644
--- a/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
+++ b/monkey/monkey_island/cc/ui/src/components/report-components/AttackReport.js
@@ -71,7 +71,7 @@ class AttackReport extends React.Component {
     super(props);
     this.state = {
         selectedTechnique: false,
-        collapseOpen: '',
+        collapseOpen: ''
     };
     if (typeof this.props.report.schema !== 'undefined' && typeof this.props.report.techniques !== 'undefined'){
       this.state['schema'] = this.props.report['schema'];
@@ -87,7 +87,6 @@ class AttackReport extends React.Component {
   }
 
   onTechniqueSelect = (technique, value, mapped = false) => {
-    //this.setState({selectedTechnique: technique});
     let selectedTechnique = this.getTechniqueByTitle(technique);
     if (selectedTechnique === false){
       return;
@@ -107,17 +106,17 @@ class AttackReport extends React.Component {
   }
 
   renderLegend() {
-    return (<div id="header" className="row justify-content-between attack-legend">
+    return (<div id='header' className='row justify-content-between attack-legend'>
       <Col xs={4}>
-        <FontAwesomeIcon icon={faCircle} className="icon-default"/>
+        <FontAwesomeIcon icon={faCircle} className='icon-default'/>
         <span> - Not scanned</span>
       </Col>
       <Col xs={4}>
-        <FontAwesomeIcon icon={faCircle} className="icon-info"/>
+        <FontAwesomeIcon icon={faCircle} className='icon-info'/>
         <span> - Scanned</span>
       </Col>
       <Col xs={4}>
-        <FontAwesomeIcon icon={faCircle} className="icon-danger"/>
+        <FontAwesomeIcon icon={faCircle} className='icon-danger'/>
         <span> - Used</span>
       </Col>
     </div>)
@@ -125,12 +124,12 @@ class AttackReport extends React.Component {
 
   generateReportContent() {
     return (
-        <div id="attack" className="attack-report report-page">
+        <div id='attack' className='attack-report report-page'>
           <ReportHeader report_type={ReportTypes.attack}/>
           <hr/>
           <p>
             This report shows information about
-            <Button bsStyle={"link"} href={"https://attack.mitre.org/"} bsSize={"lg"} className={"attack-link"}>ATT&CK </Button>
+            <Button bsStyle={'link'} href={'https://attack.mitre.org/'} bsSize={'lg'} className={'attack-link'}>ATT&CK </Button>
             techniques used by Infection Monkey.
           </p>
           {this.renderLegend()}
@@ -147,6 +146,7 @@ class AttackReport extends React.Component {
 
   getTechniqueByTitle(title){
     for (let tech_id in this.state.techniques){
+      if (! this.state.techniques.hasOwnProperty(tech_id)) {return false;}
       let technique = this.state.techniques[tech_id];
       if (technique.title === title){
         technique['tech_id'] = tech_id;
@@ -159,8 +159,10 @@ class AttackReport extends React.Component {
   static addLinksToTechniques(schema, techniques){
     schema = schema.properties;
     for(let type in schema){
+      if (! schema.hasOwnProperty(type)) {return false;}
       let typeTechniques = schema[type].properties;
       for(let tech_id in typeTechniques){
+        if (! typeTechniques.hasOwnProperty(tech_id)) {return false;}
         if (typeTechniques[tech_id] !== undefined){
           techniques[tech_id]['link'] = typeTechniques[tech_id].link
         }
diff --git a/monkey/monkey_island/cc/ui/src/components/report-components/attack/SelectedTechnique.js b/monkey/monkey_island/cc/ui/src/components/report-components/attack/SelectedTechnique.js
index ca2e92ba8..0af502682 100644
--- a/monkey/monkey_island/cc/ui/src/components/report-components/attack/SelectedTechnique.js
+++ b/monkey/monkey_island/cc/ui/src/components/report-components/attack/SelectedTechnique.js
@@ -1,9 +1,9 @@
-import React from "react";
+import React from 'react';
 import Collapse from '@kunukn/react-collapse';
 
 import AttackReport from '../AttackReport';
-import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
-import {faQuestionCircle} from "@fortawesome/free-solid-svg-icons";
+import {FontAwesomeIcon} from '@fortawesome/react-fontawesome';
+import {faQuestionCircle} from '@fortawesome/free-solid-svg-icons';
 
 const classNames = require('classnames');
 
@@ -34,13 +34,13 @@ class SelectedTechnique extends React.Component {
                                       AttackReport.getComponentClass(tech_id, this.state.techniques))}>
           <span>{this.state.techniques[tech_id].title}</span>
           <span>
-            <a href={this.state.techniques[tech_id].link} target="_blank" className={"link-to-technique"}>
+            <a href={this.state.techniques[tech_id].link} target='_blank' className={'link-to-technique'}>
               <FontAwesomeIcon icon={faQuestionCircle}/>
             </a>
           </span>
         </button>
         <Collapse
-          className="collapse-comp"
+          className='collapse-comp'
           isOpen={true}
           render={() => {
             return (<div className={`content ${tech_id}`}>
@@ -55,15 +55,15 @@ class SelectedTechnique extends React.Component {
     let content = {};
     let selectedTechId = this.state.selectedTechnique;
     if(selectedTechId === false){
-      content = "None. Select a technique from ATT&CK matrix above.";
+      content = 'None. Select a technique from ATT&CK matrix above.';
     } else {
       content = this.getSelectedTechniqueComponent(selectedTechId)
     }
 
     return (
       <div>
-        <h3 className="selected-technique-title">Selected technique:</h3>
-        <section className="attack-report selected-technique">
+        <h3 className='selected-technique-title'>Selected technique:</h3>
+        <section className='attack-report selected-technique'>
           {content}
         </section>
       </div>
diff --git a/monkey/monkey_island/cc/ui/src/components/report-components/attack/TechniqueDropdowns.js b/monkey/monkey_island/cc/ui/src/components/report-components/attack/TechniqueDropdowns.js
index 6c26fce40..a83bb91c2 100644
--- a/monkey/monkey_island/cc/ui/src/components/report-components/attack/TechniqueDropdowns.js
+++ b/monkey/monkey_island/cc/ui/src/components/report-components/attack/TechniqueDropdowns.js
@@ -1,4 +1,4 @@
-import React from "react";
+import React from 'react';
 import Collapse from '@kunukn/react-collapse';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faQuestionCircle, faChevronUp, faChevronDown } from '@fortawesome/free-solid-svg-icons'
@@ -36,14 +36,14 @@ class TechniqueDropdowns extends React.Component{
                 onClick={() => this.onToggle(tech_id)}>
           <span>{this.state.techniques[tech_id].title}</span>
           <span>
-            <a href={this.state.techniques[tech_id].link} target="_blank" className={"link-to-technique"}>
+            <a href={this.state.techniques[tech_id].link} target='_blank' className={'link-to-technique'}>
               <FontAwesomeIcon icon={faQuestionCircle}/>
             </a>
               <FontAwesomeIcon icon={this.state.collapseOpen === tech_id ? faChevronDown : faChevronUp}/>
           </span>
         </button>
         <Collapse
-          className="collapse-comp"
+          className='collapse-comp'
           isOpen={this.state.collapseOpen === tech_id}
           onChange={({collapseState}) => {
             this.setState({tech_id: collapseState});
@@ -73,18 +73,18 @@ class TechniqueDropdowns extends React.Component{
     let listClass = '';
     let content = [];
     if (this.state.techniquesHidden){
-      listClass = "hidden-list"
+      listClass = 'hidden-list'
     } else {
       Object.keys(this.state.techniques).forEach((tech_id) => {
         content.push(this.getTechniqueCollapse(tech_id))
       });
     }
     return (
-      <div className="dropdown-list">
-        <Button bsStyle="link"
-                bsSize="large"
+      <div className='dropdown-list'>
+        <Button bsStyle='link'
+                bsSize='large'
                 onClick={() => this.toggleTechList()}>
-          {this.state.techniquesHidden ? "Show all" : "Hide all"}
+          {this.state.techniquesHidden ? 'Show all' : 'Hide all'}
         </Button>
         <section className={`attack-report ${listClass}`}>{content}</section>
       </div>);
diff --git a/monkey/monkey_island/cc/ui/src/components/ui-components/Checkbox.js b/monkey/monkey_island/cc/ui/src/components/ui-components/Checkbox.js
index 445f3f45b..6d2d0c035 100644
--- a/monkey/monkey_island/cc/ui/src/components/ui-components/Checkbox.js
+++ b/monkey/monkey_island/cc/ui/src/components/ui-components/Checkbox.js
@@ -19,7 +19,7 @@ class CheckboxComponent extends React.PureComponent {
   */
   constructor(props) {
     super(props);
-    if (this.props.hasOwnProperty("status")){
+    if (this.props.hasOwnProperty('status')){
       this.status = this.props.status;
     } else {
       this.status = false
@@ -79,11 +79,11 @@ class CheckboxComponent extends React.PureComponent {
       <div
         className={cl}
         onClick={this.state.necessary ? void (0) : this.toggleChecked}>
-        <input className="ui ui-checkbox"
-               type="checkbox" value={this.state.checked}
+        <input className='ui ui-checkbox'
+               type='checkbox' value={this.state.checked}
                name={this.props.name}/>
-        <label className="text">{this.props.children}</label>
-        <div className="ui-btn-ping" onTransitionEnd={this.stopAnimation}></div>
+        <label className='text'>{this.props.children}</label>
+        <div className='ui-btn-ping' onTransitionEnd={this.stopAnimation}></div>
       </div>
     )
   }