diff --git a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/Patterns.java b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/Patterns.java
index 76a6e52f..2c02bbc3 100644
--- a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/Patterns.java
+++ b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/Patterns.java
@@ -11,7 +11,7 @@ public class Patterns {
 
     public static Map<String, Pattern> patternCache = new HashMap<>();
 
-    public static Pattern AUTHOR_TABLE_SPITTER = Pattern.compile("((((di)|(van)) )|[A-Z]’)?[A-ZÄÖÜ][\\wäöüéèê]{2,}( ?[A-ZÄÖÜ]{1,2}\\.)+|((((di)|(van)) )|[A-Z]’)?[A-ZÄÖÜ][\\wäöüéèê]{2,}( ?[A-ZÄÖÜ]{1,2} )+");
+    public static Pattern AUTHOR_TABLE_SPITTER = Pattern.compile("((((di)|(van)) )|[A-Z]’)?[A-ZÄÖÜ][\\wäöüéèê]{2,500}( ?[A-ZÄÖÜ]{1,2}\\.)+|((((di)|(van)) )|[A-Z]’)?[A-ZÄÖÜ][\\wäöüéèê]{2,500}( ?[A-ZÄÖÜ]{1,2} )+");
 
 
     public Pattern getCompiledPattern(String pattern, boolean caseInsensitive) {
diff --git a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/TextNormalizationUtilities.java b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/TextNormalizationUtilities.java
index 342f6b03..6007444c 100644
--- a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/TextNormalizationUtilities.java
+++ b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/redaction/utils/TextNormalizationUtilities.java
@@ -12,7 +12,7 @@ public class TextNormalizationUtilities {
      * @return Text without line-break hyphenation.
      */
     public static String removeHyphenLineBreaks(String text) {
-        return text.replaceAll("([^\\s\\d\\-]{2,})[\\-\\u00AD]\\R", "$1");
+        return text.replaceAll("([^\\s\\d\\-]{2,500})[\\-\\u00AD]\\R", "$1");
     }
 
 }
diff --git a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/segmentation/PdfSegmentationService.java b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/segmentation/PdfSegmentationService.java
index fccbff42..fc5037d6 100644
--- a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/segmentation/PdfSegmentationService.java
+++ b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/segmentation/PdfSegmentationService.java
@@ -4,8 +4,13 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.attribute.FileAttribute;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.pdfbox.io.MemoryUsageSetting;
@@ -59,7 +64,8 @@ public class PdfSegmentationService {
         PDDocument pdDocument = null;
         try {
             //create tempFile
-            File tempFile = File.createTempFile("document", ".pdf");
+            FileAttribute<Set<PosixFilePermission>> attr = PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString("rwx------"));
+            File tempFile = Files.createTempFile("document", ".pdf").toFile();
             try (var fos = new FileOutputStream(tempFile)) {
                 IOUtils.copy(documentInputStream, fos);